Senna spectabilis (whitebark senna)
Index
- Pictures
- Identity
- Summary of Invasiveness
- Taxonomic Tree
- Notes on Taxonomy and Nomenclature
- Description
- Plant Type
- Distribution
- Distribution Table
- History of Introduction and Spread
- Risk of Introduction
- Habitat
- Habitat List
- Hosts/Species Affected
- Biology and Ecology
- Climate
- Latitude/Altitude Ranges
- Air Temperature
- Rainfall
- Rainfall Regime
- Soil Tolerances
- Means of Movement and Dispersal
- Pathway Causes
- Pathway Vectors
- Impact Summary
- Environmental Impact
- Risk and Impact Factors
- Uses
- Uses List
- Wood Products
- References
- Links to Websites
- Contributors
- Distribution Maps
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Top of pageIdentity
Top of pagePreferred Scientific Name
- Senna spectabilis (DC.) H. S. Irwin & Barneby
Preferred Common Name
- whitebark senna
Variety
- Senna spectabilis var. excelsa (Schrad.) H. S. Irwin & Barneby
- Senna spectabilis var. spectabilis
Other Scientific Names
- Cassia excelsa Schrad.
- Cassia humboldtiana DC.
- Cassia spectabilis DC.
- Pseudocassia spectabilis (DC.) Britton & Rose
International Common Names
- English: calceolaria shower; spectacular senna
- French: casse remarquable; séné spectaculaire
- Chinese: mei li jue ming
Local Common Names
- Belize: pisabed
- Bolivia: aceitón; aceitón ordinario; carnaval; hediondillo; limoncillo; pacaisillo; pajarilla amarillo; ramo
- Cuba: algarrobillo; palo bonito
- Dominica: palo de burro
- Dominican Republic: bruscón; cañafistol; chácaro; libertad; palo de burro; pela burro
- Haiti: casse marron; kas mawon (Creole)
- Kenya: mhomba; momba; mwenu
- Malaysia: antsoan dilaw; cassia; mhomba; mwenu; Panama-ngu; scented shower
- Nicaragua: candelillo
- Philippines: antsoan-dilau; palucheba
- Puerto Rico: casia amarilla
- USA: calceolaria shower; yellow shower
EPPO code
- CASSP (Cassia spectabilis)
Summary of Invasiveness
Top of pageS. spectabilis is a medium to large tree from tropical America, listed in the Global Compendium of Weeds as an ‘environmental weed’, ‘garden thug’, and ‘naturalised weed’ (Randall, 2012). The species is extremely fast-growing, flowers and sets seed profusely, and re-sprouts readily when cut (Mungatana and Ahimbisibwe, 2010). In Australia it is considered naturalized, has been recorded as a weed of the natural environment and an escape from cultivation, and is labelled an invasive species, indicating its high negative impact on the environment due to its ability to spread rapidly and often create monocultures (Randall, 2007). In Uganda, the species is considered an invasive alien species with high risk to the native flora (Mungatana and Ahimbisibwe, 2010). In Singapore S. spectabilis has been identified as a casual, spontaneous exotic species that survives outside cultivation but does not form self-replacing populations, and relies on repeated introductions or limited asexual reproduction for persistence (Chong et al., 2009). The species is a cultivation escape in Trinidad and Tobago (Irwin and Barneby, 1982) and is considered an invasive species in Cuba (Oviedo-Prieto et al., 2012).
Taxonomic Tree
Top of page- Domain: Eukaryota
- Kingdom: Plantae
- Phylum: Spermatophyta
- Subphylum: Angiospermae
- Class: Dicotyledonae
- Order: Fabales
- Family: Fabaceae
- Subfamily: Caesalpinioideae
- Genus: Senna
- Species: Senna spectabilis
Notes on Taxonomy and Nomenclature
Top of pageUntil the beginning of the 1980s the Cassia genus was considered to be a very large genus of over 500 species. Bentham (1871) wrote that three groups within the Cassia genus were so distinct from one another that any species can always be unequivocally allocated to one of them; some main distinctions included fruit structure, stamen structure and arrangement, and nodulation (Lock, 1988). However it was not until 1982 that Irwin and Barneby formally separated Cassia into three genera: Cassia L. emend. Gaertner, Senna Miller, and Chamaecrista Moench. Cassia now has only about 30 species, whereas Senna and Chamaecrista comprise about equal numbers of species, about 260 and 270 respectively (Irwin and Barneby, 1982).These three genera are now largely accepted and together make up the subtribe Cassinae. Cassia and Senna differ principally in stamen organization, and in arid areas of Australia, taxonomic distinctions between and within the three genera are blurred by polyploidy, hybridization and apoximis (Lewis et al., 2005). In 1988, Lock presented new names and combinations for the Cassinae species in Africa, noting that “if Cassia were to continue to be used in its broad sense in Africa, there would be several species which would be consistently given different names in different continents” (Lock, 1988). Approximately 80% of the Senna genus’ 260 or so species occur in New World tropical and subtropical areas, extending into warm temperate and rarely into cool temperate areas of both hemispheres with species in Africa, Madagascar, Australia, and a few in southeastern Asia and Pacific islands (Irwin and Barneby, 1982; Lock, 1988; Wagner et al., 2014).
Identification in historical literature can be difficult due to genus name changes, as well as some of S. spectabilis’ synonyms which include Cassia speciosa Kunth (not to be confused with Cassia speciosa Schrad. =Sennamacranthera var. micans (Nees) H.S.Irwin & Barneby). Isely (1975) described a provisional division of Cassia excelsa from C. spectabilis based on C. excelsa’s more ample flowers and longer pedicels and pods (defined primarily by relatively numerous obtuse leaflets) than C. spectabilis; however, Irwin and Barneby (1982) argue the two species cannot be clearly distinguished, citing the overlap in measurements, and have instead described these differences as two varieties within the species: S. spectabilis var. excelsa is the Brazilian population with generally two or three more pairs of generally smaller and more obtuse leaflets than var. spectabilis and flowers often, but not consistently, larger (Irwin and Barneby, 1982). Also, S. spectabilis var. spectabilis is commonly cultivated, while var. excelsa is rarely cultivated (PIER, 2014).
Description
Top of pageTree to 10 or more metres high, the branchlets usually tomentose when young. Leaves moderately large, an average leaf about 20-foliolate; petiole short, pubescent, eglandular; rachis usually about 2 dm. long, eglandular and otherwise like the petiole; leaflets several to many pairs, lanceolate, 3-8 cm. long and usually about 2 cm. wide, acute apically, obtuse basally, pubescent below, especially along the veins, puberulent to subglabrous above and less dull than below, opposite on the rachis, with 10 or more pairs of prominent lateral veins; petiolules 2-3 mm. long, pubescent. Inflorescence of several terminal or subterminal several-flowered racemes; bracts lanceolate, a few mm. long, caducous. Flowers yellow; sepals 5, obovate-orbicular, markedly unequal, up to 1 cm. long and broad, glabrous to lightly puberulent; petals 5, mostly obovate, markedly unequal, up to 2.5 cm. long and 1.5 cm. broad, subglabrous, venose, short-clawed; stamens 10, 3-morphic; the 3 lowermost the largest, their anthers oblong, about 7 mm. long, short-rostrate apically and dehiscent by terminal pores, the loculi somewhat converging terminally; anthers of 4 median stamens 5-6 mm. long, similar to the 3 lowermost except the rostrum reflexed and the loculi divergent terminally; 3 uppermost stamens markedly dissimilar, more or less rudimentary, the anthers distinctly bilobed, each lobe reniform and dehiscent the length of its outer margin; ovary linear, glabrous. Legume linear, turgid-quadrangular, up to 2 dm. long and 1 cm. wide, transversely multiseptate, tardily dehiscent along one margin (Missouri Botanical Garden, 2014).
Distribution
Top of pageS. spectabilis is generally considered to be native to South America and introduced to Central America and the West Indies, eventually naturalizing in many parts, but its pre-Columbian range of dispersal is obscure (Irwin and Barneby, 1982; Acevedo-Rodriguez and Strong, 2012; PIER, 2014). S. spectabilis var. spectabilis and var. excelsa have differing distribution ranges. Whereas var. spectabilis is native to parts of Colombia, Venezuela, parts of southeastern Bolivia, north Argentina, and Paraguay and discontinuously widespread in parts of tropical North and South America, var. excelsa is widespread primarily in interior east tropical Brazil and coastal Ecuador, although to be expected elsewhere (Irwin and Barneby, 1982).
In Micronesia, PIER (2014) reports the species as invasive to Nuku Hiva Island, citing Wagner and Lorence’s Flora of the Marquesas database; however Wagner and Lorence (2014) do not specify its invasiveness in the database. PIER (2014) lists the species as an invasive introduction to Singapore, whereas Chong et al. (2009) report it as a casual introduction to the island that has not yet become invasive.
Distribution Table
Top of pageThe distribution in this summary table is based on all the information available. When several references are cited, they may give conflicting information on the status. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.
Last updated: 10 Feb 2022Continent/Country/Region | Distribution | Last Reported | Origin | First Reported | Invasive | Planted | Reference | Notes |
---|---|---|---|---|---|---|---|---|
Africa |
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Angola | Present | Introduced | ||||||
Botswana | Present | Introduced | ||||||
Burundi | Present | Introduced | ||||||
Cameroon | Present | Introduced | ||||||
Central African Republic | Present | Introduced | ||||||
Chad | Present | Introduced | ||||||
Congo, Democratic Republic of the | Present | Introduced | ||||||
Ethiopia | Present | Introduced | ||||||
Kenya | Present | Introduced | Invasive | |||||
Malawi | Present | Introduced | Invasive | |||||
Mauritius | Present | Introduced | ||||||
Mozambique | Present | Introduced | ||||||
Nigeria | Present | Introduced | ||||||
Rwanda | Present | Introduced | ||||||
South Africa | Present | Introduced | ||||||
Tanzania | Present | Introduced | Invasive | |||||
Togo | Present | Introduced | ||||||
Uganda | Present | Introduced | Invasive | |||||
Zambia | Present | Introduced | ||||||
Zimbabwe | Present | Introduced | ||||||
Asia |
||||||||
Bhutan | Present | Introduced | 1984 | |||||
China | Present | Present based on regional distribution. | ||||||
-Guangdong | Present | Introduced | Cultivated | |||||
-Yunnan | Present | Introduced | S. Yunnan | |||||
Hong Kong | Present | Introduced | Cultivated | |||||
India | Present | Introduced | ||||||
-Karnataka | Present | |||||||
-Rajasthan | Present | |||||||
-Sikkim | Present | |||||||
-West Bengal | Present | |||||||
Malaysia | Present | Introduced | ||||||
Philippines | Present | Planted | ||||||
Singapore | Present | Introduced | ||||||
Sri Lanka | Present | Introduced | ||||||
Thailand | Present | Introduced | ||||||
North America |
||||||||
Barbados | Present | Introduced | ||||||
Belize | Present | |||||||
Costa Rica | Present | |||||||
Cuba | Present | Introduced | ||||||
Dominican Republic | Present | Introduced | ||||||
El Salvador | Present | Introduced | ||||||
Guadeloupe | Present | Introduced | ||||||
Guatemala | Present | Native | ||||||
Haiti | Present | Introduced | ||||||
Honduras | Present | Native | ||||||
Jamaica | Present | Introduced | ||||||
Martinique | Present | Introduced | ||||||
Mexico | Present | Native | ||||||
Nicaragua | Present | Native | ||||||
Panama | Present | Native | Chiriquí | |||||
Puerto Rico | Present | Introduced | ||||||
Trinidad and Tobago | Present | |||||||
United States | Present | Present based on regional distribution. | ||||||
-Florida | Present | Introduced | ||||||
-Hawaii | Present | Introduced | Invasive | Reported Invasive only on O’ahu I. Also found on Hawai’i and Maui Is. | ||||
Oceania |
||||||||
Australia | Present | Present based on regional distribution. | ||||||
-Northern Territory | Present | |||||||
-Queensland | Present | Cultivated | ||||||
French Polynesia | Present | Introduced | Invasive | Introduced and cultivated. Marquesas Is: Nuku Hiva I (invasive);.Society Is: Tahiti I; Austral Is: Tubuai I | ||||
Guam | Present | Introduced | ||||||
New Caledonia | Present | Introduced | Cultivated. Ile Grande Terre | |||||
Papua New Guinea | Present | Introduced | ||||||
South America |
||||||||
Argentina | Present | Native | Entre Rios, Jujuy, Salta | |||||
Bolivia | Present | Native | Southeastern Bolivia. Cultivated. Chuquisaca, La Paz, Pando, Santa Cruz, Tarija, Cochabamba | |||||
Brazil | Present | Native | Including Caatinga, Cerrado, Mata Atlantica, Amazonia | |||||
-Acre | Present | Native | ||||||
-Alagoas | Present | Native | ||||||
-Bahia | Present | Native | ||||||
-Ceara | Present | Native | ||||||
-Goias | Present | Native | ||||||
-Maranhao | Present | Native | ||||||
-Mato Grosso | Present | Native | ||||||
-Mato Grosso do Sul | Present | Native | ||||||
-Minas Gerais | Present | Native | ||||||
-Para | Present | Native | ||||||
-Piaui | Present | Native | ||||||
-Rio Grande do Norte | Present | |||||||
-Sergipe | Present | Native | ||||||
-Tocantins | Present | Native | ||||||
Chile | Present | Native | ||||||
Colombia | Present | Introduced | Naturalized | Naturalized, cultivated | ||||
Ecuador | Present | Native | Cultivated. Guayas, Loja, Los Ríos, Manabí | |||||
Paraguay | Present | Native | Depts Amambay, Central | |||||
Peru | Present | Native | ||||||
Venezuela | Present | Introduced |
History of Introduction and Spread
Top of pageS. spectabilis was present in Colombia as of 1832 (recorded as Cassia speciosa Kunth) (Don, 1832). Introduction of the species to the West Indies is uncertain but it was likely to have spread from its native South America some time ago. Specimens from Trinidad and Tobago were collected in 1862 (as Cassia spectabilis DC) (Royal Botanic Gardens Kew, 2003) and the species was being cultivated in the Royal Botanic Gardens of Trinidad by 1869 (as C. spectabilis) (Prestoe, 1870). By 1879 the species was known to occur in South Mexico, Costa Rica, West Indies and the northern parts of South America (as Cassia spectabilis DC) (Godman et al., 1879). The species must be a relatively recent introduction to Puerto Rico, as it was not included in Bello’s flora of Puerto Rico (Bello Espinosa, 1881). The species is considered by Irwin and Barneby (1982) as a cultivation escape in Trinidad and Tobago and both native and adventive to northern parts of the Orinoco basin, Venezuela, and while found in the Greater Antilles (Cuba, Jamaica, Hispaniola and Puerto Rico), it is “common only in Dominican Republic and probably nowhere truly autochthonous”. The lack of collections of S. spectabilis from the West Indies in the US National Herbarium may be indicative of the foreign origin of this species for this region. In Puerto Rico, this species is known from US collections dating from 1954 (US National Herbarium). However it is certainly much more widespread in Puerto Rico than what is currently reported in the literature or herbaria collections; recent fieldwork in Puerto Rico indicates that S. spectabilis is becoming widespread in the southern flanks of the Central mountain range in the area of Salinas and Villalba (Acevedo-Rodriguez, pers. comments).
The species is thought to have been introduced to Africa by Indian sawmill operators or Europeans for firewood and live boundary marking, as a way to reverse deforestation, desertification and fuelwood shortages; however, the species has since invaded most forestry ecosystems, where it has outcompeted native tree species with its fast colonization and thicket establishments (Mungatana and Ahimbisibwe, 2010). The species was present in Tanzania prior to 1967, when it was intentionally introduced to Mahale Mountains National Park in order to create shade and later cultivated by farmers as living fences to prevent crop damage by animals. It is now recognized as an invasive alien species in parts of Kenya, Malawi, Tanzania and Uganda (Wakibara and Mnaya, 2002; Witt and Luke, 2017).
Risk of Introduction
Top of pageRisk of introduction for this species is very high. The species received a PIER Risk Assessment Score of 11 [a score greater than 6 = reject the plant for import (Australia) and likely to be of high risk (Pacific and Florida, USA)], indicating that it poses a high risk of becoming a serious pest based on current evidence. The species is fast-growing and spreads profusely, traits that maximize its capability to compete with cash crops and native flora (Llamas, 2003). It also forms dense thickets where it spreads, at the expense of other species (PIER, 2014).
Snapp and Pound (2008) conclude: “this agroforestry species acts as a highly effective weed species and has traits that maximize its ability to compete with cash crops. Promotion of S. spectabilis based on tremendous biomass potential was an insufficient criterion and may have been based on performance-on-research station trials, where soils of high organic matter may not have been representative of smallholder farm environments. Biological review of S. spectabilis and testing on farms revealed the highly competitive nature of this species and its unsuitability as an intercrop species”.
Habitat
Top of pageIn Brazil and Ecuador the species grows in coastal areas (Irwin and Barneby, 1982; Missouri Botanical Garden, 2014). In Bolivia the species can be found in both the lowlands and the Andes, in habitats ranging from rain forest, semi-deciduous and dry forest, montane forest, and dry valleys (Missouri Botanical Garden, 2014). In Peru, the species occurs in disturbed habitats, ranging from Amazonian to coastal areas. In Nicaragua the species is known to grow in wet and dry seasonal forests and secondary forests. In Paraguay the species has been observed in closed forests (Missouri Botanical Garden, 2014). The species was originally introduced to parts of Africa as an intercrop/hedgerow species in plantations and cultivated areas (Wakibara and Mnaya, 2002; Mungatana and Ahimbisibwe, 2010).
Habitat List
Top of pageCategory | Sub-Category | Habitat | Presence | Status |
---|---|---|---|---|
Terrestrial | Managed | Cultivated / agricultural land | Present, no further details | |
Terrestrial | Managed | Managed forests, plantations and orchards | Present, no further details | |
Terrestrial | Managed | Disturbed areas | Present, no further details | |
Terrestrial | Managed | Rail / roadsides | Present, no further details | |
Terrestrial | Natural / Semi-natural | Natural forests | Present, no further details | |
Littoral | Coastal areas | Present, no further details |
Hosts/Species Affected
Top of pageAgroforestry experiments in Kenya showed that while S. spectabilis is useful as hedges for cropping systems, if grown in semi-arid conditions S. spectabilis will out-compete crops for water uptake and suppress crop yields; in the cases recorded, grain yields of maize grown with S. spectabilis or Leucaena leucocephala were reduced by between 39% and 95% (Noordwijk et al., 2004).
Biology and Ecology
Top of pageGenetics
Chromosome count for the species is 2n=14 (IPCN Chromosome Reports, 2014).
Environmental Requirements
S. spectabilis requires full sunlight, as it does not appear to establish under full canopy forest (PIER, 2014). It requires well-drained soil, has low tolerance for aerosol salt, and can tolerate a range of soil types including moist, clay, sand, loam, slightly alkaline, and acidic soils, reportedly able to flourish even in poor, black cotton soils and can reportedly adapt to alkaline soils (Mungatana and Ahimbisibwe, 2010; Gillman and Watson, 2011).
In Ecuador the species has been reported to occur at 0-500 m (Missouri Botanical Garden, 2014). The species occurs at elevations of 0-2000 m in both Antioquia (Colombia) and Bolivia, and in Antioquia it tolerates environments including “Bosque Húmedo Premontano (premontane humid forest) (bh-PM), Bosque Húmedo Tropical (tropical humid forest) (bh-T), and Bosque seco Tropical (tropical dry forest) (bs-t)” (Flora of Bolivia Editorial Committee, 2014; Missouri Botanical Garden, 2014). The species grows at altitudes of 0-500 m in Peru, between 0 and 1000 m altitudes in Panama, and between 0 and 1300 m in Nicaragua (Missouri Botanical Garden, 2014).
Climate
Top of pageClimate | Status | Description | Remark |
---|---|---|---|
Af - Tropical rainforest climate | Preferred | > 60mm precipitation per month | |
Am - Tropical monsoon climate | Preferred | Tropical monsoon climate ( < 60mm precipitation driest month but > (100 - [total annual precipitation(mm}/25])) | |
As - Tropical savanna climate with dry summer | Preferred | < 60mm precipitation driest month (in summer) and < (100 - [total annual precipitation{mm}/25]) | |
Aw - Tropical wet and dry savanna climate | Preferred | < 60mm precipitation driest month (in winter) and < (100 - [total annual precipitation{mm}/25]) |
Latitude/Altitude Ranges
Top of pageLatitude North (°N) | Latitude South (°S) | Altitude Lower (m) | Altitude Upper (m) |
---|---|---|---|
25 | -30 | 900 | 1900 |
Air Temperature
Top of pageParameter | Lower limit | Upper limit |
---|---|---|
Absolute minimum temperature (ºC) | 10 | |
Mean annual temperature (ºC) | 19 | 22 |
Mean maximum temperature of hottest month (ºC) | 23 | 32 |
Mean minimum temperature of coldest month (ºC) | 14 | 17 |
Rainfall
Top of pageParameter | Lower limit | Upper limit | Description |
---|---|---|---|
Dry season duration | 1 | 3 | number of consecutive months with <40 mm rainfall |
Mean annual rainfall | 800 | 2000 | mm; lower/upper limits |
Soil Tolerances
Top of pageSoil drainage
- free
Soil reaction
- acid
- alkaline
- neutral
- very acid
Soil texture
- heavy
- light
- medium
Special soil tolerances
- shallow
Means of Movement and Dispersal
Top of pageS. spectabilis produces large quantities of seeds which can remain viable for up to three years and do not die easily, allowing the species to spread quickly, as pods burst and disburse seeds when they fall from the plant, and can spread further by water (PIER, 2014). The roots of the species are also known to germinate, and the tree coppices when cut down; thus in agroforestry, the species is propagated vegetatively via cuttings and stump plants (Irwin and Barneby, 1982; PIER, 2014).
Pathway Causes
Top of pageCause | Notes | Long Distance | Local | References |
---|---|---|---|---|
Crop production | Plant has been introduced and cultivated widely | Yes | Yes | PIER (2014) |
Escape from confinement or garden escape | Species is known to have escaped from cultivation | Yes | Yes | Randall (2007) |
Forestry | Intentionally introduced in agroforestry as a shade tree and hedgerow | Yes | Yes | Mungatana and Ahimbisibwe (2010); Wakibara and Mnaya (2002) |
Hedges and windbreaks | Intentionally introduced in agroforestry as a shade tree and hedgerow | Yes | Yes | Mungatana and Ahimbisibwe (2010); Wakibara and Mnaya (2002) |
Ornamental purposes | Yes | Yes | ||
Self-propelled | Pods burst and disburse seeds when they fall from the plant | Yes | PIER (2014) |
Pathway Vectors
Top of pageVector | Notes | Long Distance | Local | References |
---|---|---|---|---|
Machinery and equipment | Seeds are thought to have been picked in the mud and spread by trucks | Yes | Yes | PIER (2014) |
Water | Plant can grow in coastal areas. Seeds easily dispersed by water. | Yes | Yes | Missouri Botanical Garden (2014); PIER (2014) |
Impact Summary
Top of pageCategory | Impact |
---|---|
Economic/livelihood | Positive and negative |
Environment (generally) | Positive and negative |
Environmental Impact
Top of pageS. spectabilis grows rapidly, can dominate other species in the wild, and in cultivated lands out-competes crops, causing a reduction in crop yield and reduction in native flora (Noordwijk et al., 2004).
Risk and Impact Factors
Top of page- Proved invasive outside its native range
- Abundant in its native range
- Tolerates, or benefits from, cultivation, browsing pressure, mutilation, fire etc
- Pioneering in disturbed areas
- Benefits from human association (i.e. it is a human commensal)
- Long lived
- Fast growing
- Has high reproductive potential
- Has propagules that can remain viable for more than one year
- Reproduces asexually
- Ecosystem change/ habitat alteration
- Monoculture formation
- Negatively impacts agriculture
- Reduced native biodiversity
- Threat to/ loss of endangered species
- Threat to/ loss of native species
- Competition - monopolizing resources
- Competition - shading
- Competition - smothering
- Rapid growth
- Rooting
- Highly likely to be transported internationally deliberately
Uses
Top of pageS. spectabilis has been used for economic purposes. Its wood has been used for furniture, as lumber and construction materials, and to make wood carvings. In China and elsewhere the species is usually cultivated ornamentally, as its flowers are fragrant (Irwin and Barneby, 1982; Flora of China Editorial Committee, 2014). It has also been used as a hedgerow species in plantations and agricultural systems (Wakibara and Mnaya, 2002; Mungatana and Ahimbisibwe, 2010; PIER, 2014).
S. spectabilis is used in agroforestry as a shade tree and a living fence (Irwin and Barneby, 1982; Missouri Botanical Garden, 2014). The species is considered useful for fodder, mulch, fuelwood, and as a source of honey.
Uses List
Top of pageAnimal feed, fodder, forage
- Fodder/animal feed
Environmental
- Agroforestry
- Boundary, barrier or support
Fuels
- Fuelwood
Human food and beverage
- Honey/honey flora
Materials
- Wood/timber
References
Top of pageAcevedo-Rodríguez P, Strong MT, 2012. Catalogue of the Seed Plants of the West Indies. Smithsonian Contributions to Botany, 98:1192 pp. Washington DC, USA: Smithsonian Institution. http://botany.si.edu/Antilles/WestIndies/catalog.htm
Bello Espinosa D, 1881. [English title not available]. (Apuntes para la flora de Puerto Rico. Primera parte.) Anal. Soc. Española de Hist. Nat, 10:231-304
Bentham G, 1871. Revision of the genus Cassia. Transactions of the Linnaean Society, London, 27:503-591
Broome R, Sabir K, Carrington S, 2007. Plants of the Eastern Caribbean. Online database. Barbados: University of the West Indies. http://ecflora.cavehill.uwi.edu/index.html
Chong KY, Tan HTW, Corlett RT, 2009. A checklist of the total vascular plant flora of Singapore: native, naturalised and cultivated species. Singapore: Raffles Museum of Biodiversity Research, National University of Singapore, 273 pp. http://lkcnhm.nus.edu.sg/nus/pdf/PUBLICATION/LKCNH%20Museum%20Books/LKCNHM%20Books/flora_of_singapore_tc.pdf
Council of Heads of Australasian Herbaria, 2013. Australia's virtual herbarium. Australia: Council of Heads of Australasian Herbaria. http://avh.ala.org.au
Don G, 1832. A general history of the dichlamydeous plants: comprising complete descriptions of the different orders....the whole arranged according to the natural system. Volume II. London, UK: J.G. and F. Rivington
Flora of Bolivia Editorial Committee, 2014. Bolivia Checklist, eFloras website. St. Louis, MO and Cambridge, MA, USA: Missouri Botanical Garden and Harvard University Herbaria. http://www.efloras.org/flora_page.aspx?flora_id=40
Flora of China Editorial Committee, 2014. Flora of China. St. Louis, Missouri and Cambridge, Massachusetts, USA: Missouri Botanical Garden and Harvard University Herbaria. http://www.efloras.org/flora_page.aspx?flora_id=2
Forzza R, 2010. List of species of the Flora of Brazil (Lista de espécies Flora do Brasil). http://floradobrasil.jbrj.gov.br/2012/
Gillman EF, Watson DG, 2011. Senna spectabilis: Cassia., USA: Institute of Food and Agricultural Sciences (IFAS), University of Florida. http://edis.ifas.ufl.edu/st588
Godman FDC, Salvin O, 1879. Biologia Centrali-Americana: zoology, botany and archaeology. London, UK: R. H. Porter
Heinsleigh TE, Holaway BK, 1988. Agroforestry species for the Philippines. Metro Manila Philippines: US Peace Corps, AJA Printers
ILDIS, 2014. International Legume Database and Information Service. Reading, UK: School of Plant Sciences, University of Reading. http://www.ildis.org/
IPCN Chromosome Reports, 2014. Index to Plant Chromosome Numbers (IPCN), Tropicos website. St. Louis, Missouri, USA: Missouri Botanical Garden. http://tropicos.org/Project/IPCN
Irwin HS, Barneby RC, 1982. The American Cassiinae: a synoptical revision of Leguminosae tribe Cassieae subtribe Cassiinae in the New World. 1982, v + 918 pp.; Memoirs of the New York Botanical Gardens 35, 2 parts
Isely D, 1975. Legumes of the United States. Volume 2. Memoirs of the New York Botanic Gardens, 25(2):1-228
Lewis GP, Schrire B, Mackinder B, Lock M, 2005. Legumes of the world. Richmond, USA: Royal Botanic Gardens, Kew, 577 pp
Llamas AK, 2003. Tropical flowering plants: a guide to identification and cultivation. Oregon, USA: Timber Press
Lock JM, 1988. Cassia Sens. (Leguminosae: Caesalpinioideae) in Africa. Kew Bulletin, 43:333-342
Madulid DA, 1995. A Pictorial Cyclopedia of Philippine Ornamental Plants. Bookmark, Inc., Metro Manilla:214-217
Missouri Botanical Garden, 2014. Tropicos database. St. Louis, Missouri, USA: Missouri Botanical Garden. http://www.tropicos.org/
Mungatana E, Ahimbisibwe PB, 2010. Quantitative impacts of invasive Senna spectabilis on distribution of welfare: a household survey of dependent communities in Budongo forest reserve, Uganda. In: Joint 3rd African Association of Agricultural Economists (AAAE) and 48th Agricultural Economists Association of South Africa (AEASA) Conference, Cape Town, South Africa, September 19-23, 2010. http://ageconsearch.umn.edu/bitstream/97330/2/23.%20Invasive%20species%20in%20Uganda.pdf
Oviedo Prieto R, Herrera Oliver P, Caluff MG, et al. , 2012. National list of invasive and potentially invasive plants in the Republic of Cuba - 2011. (Lista nacional de especies de plantas invasoras y potencialmente invasoras en la República de Cuba - 2011). Bissea: Boletín sobre Conservación de Plantas del Jardín Botánico Nacional de Cuba, 6(Special Issue 1):22-96
PIER, 2014. Pacific Islands Ecosystems at Risk. Honolulu, USA: HEAR, University of Hawaii. http://www.hear.org/pier/index.html
Prestoe H, 1870. Catalog of plants cultivated in the Royal Botanic Gardens, Trinidad, from 1865-1870., Trinidad: Chronicle Printing Office
Randall RP, 2012. A Global Compendium of Weeds. Perth, Australia: Department of Agriculture and Food Western Australia, 1124 pp. http://www.cabi.org/isc/FullTextPDF/2013/20133109119.pdf
Royal Botanic Gardens Kew, 2003. Electronic Plant Information Centre. Kew, Richmond, London, UK. http://epic.kew.org/index.htm
Snapp SS, Pound B, 2008. Agricultural systems: Agroecology and rural innovation for development. Amsterdam, Netherlands: Elsevier/Academic Press
The Plant List, 2013. The Plant List: a working list of all plant species. Version 1.1. London, UK: Royal Botanic Gardens, Kew. http://www.theplantlist.org
USDA-ARS, 2014. Germplasm Resources Information Network (GRIN). Online Database. Beltsville, Maryland, USA: National Germplasm Resources Laboratory. https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomysearch.aspx
von Carlowitz PG, 1991. Multipurpose Trees and Shrubs - Sources of Seeds and Inoculants. Nairobi, Kenya: ICRAF
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Wagner WL, Herbst DR, Sohmer SH, 1999. Manual of the flowering plants of Hawaii. Revised edition. Honolulu, Hawai'i, USA: Bishop Museum Press, 1919 pp
Wagner WL, Herbst DR, Tornabene MW, Weitzman A, Lorence DH, 2014. Flora of Micronesia website. Washington DC: Smithsonian Institution. http://botany.edu/pacificislandbiodiversity/micronesia/index.htm
Wagner WL, Lorence DH, 2014. Flora of the Marquesas Islands website. Washington DC, USA: Smithsonian Institution. http://botany.si.edu/pacificislandbiodiversity/marquesasflora/index.htm
Wakibara JV, 1998. Observations on the Pilot Control of Senna spectabilis, an Invasive Exotic Tree in the Mahale Mountains National Park, Western Tanzania. Pan Africa News, 5(1). http://mahale.main.jp/PAN/5_1/contents.html
Weeds of Australia, 2014. Weed Search Database, Australian Government. http://www.environment.gov.au/cgi-bin/biodiversity/invasive/weeds/weedsearch.pl
Distribution References
Broome R, Sabir K, Carrington S, 2007. Plants of the Eastern Caribbean. Online database., Barbados: University of the West Indies. http://ecflora.cavehill.uwi.edu/index.htm
CABI, Undated. Compendium record. Wallingford, UK: CABI
CABI, Undated a. CABI Compendium: Status inferred from regional distribution. Wallingford, UK: CABI
CABI, Undated b. CABI Compendium: Status as determined by CABI editor. Wallingford, UK: CABI
Chong KY, Tan HTW, Corlett RT, 2009. A checklist of the total vascular plant flora of Singapore: native, naturalised and cultivated species., Singapore, Raffles Museum of Biodiversity Research, National University of Singapore. 273 pp. http://lkcnhm.nus.edu.sg/nus/pdf/PUBLICATION/LKCNH%20Museum%20Books/LKCNHM%20Books/flora_of_singapore_tc.pdf
Council of Heads of Australasian Herbaria, 2013. Australia's virtual herbarium., Australia: Council of Heads of Australasian Herbaria. http://avh.ala.org.au
Forzza R, 2010. List of species of the Flora of Brazil. (Lista de espécies Flora do Brasil)., http://floradobrasil.jbrj.gov.br/2012/
Gillman EF, Watson DG, 2011. Senna spectabilis: Cassia., USA: Institute of Food and Agricultural Sciences (IFAS), University of Florida. http://edis.ifas.ufl.edu/st588
ILDIS, 2014. International Legume Database and Information Service., Reading, UK: School of Plant Sciences, University of Reading. http://www.ildis.org/
Missouri Botanical Garden, 2014. Tropicos database., St. Louis, Missouri, USA: Missouri Botanical Garden. http://www.tropicos.org/
Mungatana E, Ahimbisibwe PB, 2010. Quantitative impacts of invasive Senna spectabilis on distribution of welfare: a household survey of dependent communities in Budongo forest reserve, Uganda. In: Joint 3rd African Association of Agricultural Economists (AAAE) and 48th Agricultural Economists Association of South Africa (AEASA) Conference, Cape Town, South Africa, September 19-23, 2010, http://ageconsearch.umn.edu/bitstream/97330/2/23.%20Invasive%20species%20in%20Uganda.pdf
PIER, 2014. Pacific Islands Ecosystems at Risk., Honolulu, USA: HEAR, University of Hawaii. http://www.hear.org/pier/index.html
USDA-ARS, 2014. Germplasm Resources Information Network (GRIN). Online Database. Beltsville, Maryland, USA: National Germplasm Resources Laboratory. https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomysimple.aspx
Wagner WL, Lorence DH, 2014. Flora of the Marquesas Islands website., Washington DC, USA: Smithsonian Institution. http://botany.si.edu/pacificislandbiodiversity/marquesasflora/index.htm
Links to Websites
Top of pageWebsite | URL | Comment |
---|---|---|
CAB International Forestry Compendium | http://www.cabi.org/fc | |
Catalogue of Seed Plants of the West Indies | http://botany.si.edu/antilles/WestIndies/catalog.htm | |
GISD/IASPMR: Invasive Alien Species Pathway Management Resource and DAISIE European Invasive Alien Species Gateway | https://doi.org/10.5061/dryad.m93f6 | Data source for updated system data added to species habitat list. |
USFS Pacific Island Ecosystems at Risk (PIER) | http://www.hear.org/pier/ |
Contributors
Top of page02/04/2014 Original text by:
Marianne Jennifer Datiles, Department of Botany-Smithsonian NMNH, Washington DC, USA
Pedro Acevedo-Rodríguez, Department of Botany-Smithsonian NMNH, Washington DC, USA
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