Preferred Scientific Name
- Dahlia imperialis Roezl ex Ortgies
Preferred Common Name
- bell tree dahlia
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The following summary is from Witt and Luke (2017):
Evergreen fast-growing herb (2–6 m tall); stems erect, 4-angled, brittle and woody (8 cm wide), usually branched from the base with swollen nodes and with underground tubers (a swollen underground stem that functions as a food storage organ or as a means of vegetative production).
Mexico and possibly Colombia and Guatemala and elsewhere in Central and South America.
Reason for Introduction
Roadsides, disturbed areas, wastelands, urban open spaces, gardens, plantations and forest gaps/edges.
Forms dense stands which may displace native fauna and flora. Parts of the plant are considered to be toxic.
The 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: 17 Feb 2021
|Continent/Country/Region||Distribution||Last Reported||Origin||First Reported||Invasive||Reference||Notes|
Witt, A., Luke, Q., 2017. Guide to the naturalized and invasive plants of Eastern Africa, [ed. by Witt, A., Luke, Q.]. Wallingford, UK: CABI.vi + 601 pp. http://www.cabi.org/cabebooks/ebook/20173158959 doi:10.1079/9781786392145.0000
Witt A, Beale T, Wilgen B W van, 2018. An assessment of the distribution and potential ecological impacts of invasive alien plant species in eastern Africa. Transactions of the Royal Society of South Africa. 73 (3), 217-236. DOI:10.1080/0035919X.2018.1529003
Witt A, Luke Q, 2017. Guide to the naturalized and invasive plants of Eastern Africa. [ed. by Witt A, Luke Q]. Wallingford, UK: CABI. vi + 601 pp. http://www.cabi.org/cabebooks/ebook/20173158959 DOI:10.1079/9781786392145.0000
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