Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Datasheet

Dioscorea
(yam)

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Datasheet

Dioscorea (yam)

Summary

  • Last modified
  • 14 July 2018
  • Datasheet Type(s)
  • Host Plant
  • Preferred Scientific Name
  • Dioscorea
  • Preferred Common Name
  • yam
  • Taxonomic Tree
  • Domain: Eukaryota
  •   Kingdom: Plantae
  •     Phylum: Spermatophyta
  •       Subphylum: Angiospermae
  •         Class: Monocotyledonae
  • There are no pictures available for this datasheet

    If you can supply pictures for this datasheet please contact:

    Compendia
    CAB International
    Wallingford
    Oxfordshire
    OX10 8DE
    UK
    compend@cabi.org

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Pictures

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PictureTitleCaptionCopyright
Dioscorea alata (winged yam, uhi); habit at Maui Nui Botanical Garden, Maui.  November 06, 2006
TitleInvasive habit
CaptionDioscorea alata (winged yam, uhi); habit at Maui Nui Botanical Garden, Maui. November 06, 2006
Copyright©Forest Starr & Kim Starr - CC BY 4.0
Dioscorea alata (winged yam, uhi); habit at Maui Nui Botanical Garden, Maui.  November 06, 2006
Invasive habitDioscorea alata (winged yam, uhi); habit at Maui Nui Botanical Garden, Maui. November 06, 2006©Forest Starr & Kim Starr - CC BY 4.0
Air potato (Dioscorea bulbifera); leaves and aerial bulbils.
TitleLeaves and aerial bulbils
CaptionAir potato (Dioscorea bulbifera); leaves and aerial bulbils.
Copyright©Smithsonian Institution/Pedro Acevedo-Rodriguez
Air potato (Dioscorea bulbifera); leaves and aerial bulbils.
Leaves and aerial bulbilsAir potato (Dioscorea bulbifera); leaves and aerial bulbils.©Smithsonian Institution/Pedro Acevedo-Rodriguez
Dioscorea alata (winged yam, uhi); habit. Maui Nui Botanical Garden, Maui.  November 06, 2006
TitleHabit
CaptionDioscorea alata (winged yam, uhi); habit. Maui Nui Botanical Garden, Maui. November 06, 2006
Copyright©Forest Starr & Kim Starr - CC BY 4.0
Dioscorea alata (winged yam, uhi); habit. Maui Nui Botanical Garden, Maui.  November 06, 2006
HabitDioscorea alata (winged yam, uhi); habit. Maui Nui Botanical Garden, Maui. November 06, 2006©Forest Starr & Kim Starr - CC BY 4.0
Dioscorea alata (winged yam, uhi); habit.  Maui Nui Botanical Garden, Maui.  November 06, 2006
TitleHabit and foliage
CaptionDioscorea alata (winged yam, uhi); habit. Maui Nui Botanical Garden, Maui. November 06, 2006
Copyright©Forest Starr & Kim Starr - CC BY 4.0
Dioscorea alata (winged yam, uhi); habit.  Maui Nui Botanical Garden, Maui.  November 06, 2006
Habit and foliageDioscorea alata (winged yam, uhi); habit. Maui Nui Botanical Garden, Maui. November 06, 2006©Forest Starr & Kim Starr - CC BY 4.0
Dioscorea alata (winged yam, uhi); leaves. Maui Nui Botanical Garden, Maui.  November 06, 2006
TitleLeaves
CaptionDioscorea alata (winged yam, uhi); leaves. Maui Nui Botanical Garden, Maui. November 06, 2006
Copyright©Forest Starr & Kim Starr - CC BY 4.0
Dioscorea alata (winged yam, uhi); leaves. Maui Nui Botanical Garden, Maui.  November 06, 2006
LeavesDioscorea alata (winged yam, uhi); leaves. Maui Nui Botanical Garden, Maui. November 06, 2006©Forest Starr & Kim Starr - CC BY 4.0
Dioscorea alata (winged yam, uhi); flowers. Maui Nui Botanical Garden, Maui.  November 06, 2006
TitleFlowers
CaptionDioscorea alata (winged yam, uhi); flowers. Maui Nui Botanical Garden, Maui. November 06, 2006
Copyright©Forest Starr & Kim Starr - CC BY 4.0
Dioscorea alata (winged yam, uhi); flowers. Maui Nui Botanical Garden, Maui.  November 06, 2006
FlowersDioscorea alata (winged yam, uhi); flowers. Maui Nui Botanical Garden, Maui. November 06, 2006©Forest Starr & Kim Starr - CC BY 4.0
Dioscorea alata (winged yam, uhi); yamlet.  Maui Nui Botanical Garden, Maui.  November 06, 2006
TitleYamlet
CaptionDioscorea alata (winged yam, uhi); yamlet. Maui Nui Botanical Garden, Maui. November 06, 2006
Copyright©Forest Starr & Kim Starr - CC BY 4.0
Dioscorea alata (winged yam, uhi); yamlet.  Maui Nui Botanical Garden, Maui.  November 06, 2006
YamletDioscorea alata (winged yam, uhi); yamlet. Maui Nui Botanical Garden, Maui. November 06, 2006©Forest Starr & Kim Starr - CC BY 4.0

Identity

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Preferred Scientific Name

  • Dioscorea L.

Preferred Common Name

  • yam

International Common Names

  • Spanish: name
  • French: igname
  • Chinese: shu yu shu
  • Portuguese: cará; inhame

Local Common Names

  • Cambodia: dâmlông
  • Germany: Yamswurzel
  • Indonesia: huwi; uwi
  • Laos: man
  • Malaysia: ubi
  • Nigeria: doya; isu; ji
  • Vietnam: cur naau; cur tuwf

EPPO code

  • DIUSS (Dioscorea sp.)

Taxonomic Tree

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  • Domain: Eukaryota
  •     Kingdom: Plantae
  •         Phylum: Spermatophyta
  •             Subphylum: Angiospermae
  •                 Class: Monocotyledonae
  •                     Order: Dioscoreales
  •                         Family: Dioscoreaceae
  •                             Genus: Dioscorea

List of Pests

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Major host of:

Adoretus versutus (rose beetle); Agallia albidula; Amplicephalus fasciatus; Araecerus fasciculatus (cocoa weevil); Aspergillus niger (black mould of onion); Balclutha rosea; Balclutha rubrostriata; Carneocephala sagittifera; Chariesterus gracilicornis; Chlorotettix fraterculus; Cleome rutidosperma (fringed spiderflower); Collaria oleosa; Colletotrichum capsici (leaf spot of peppers); Cucumber mosaic virus (cucumber mosaic); Curvularia senegalensis; Fusarium oxysporum (basal rot); Glomerella cingulata (anthracnose); Goplana dioscoreae (rust of yams); Guignardia dioscoreae; Haematonectria haematococca (dry rot of potato); Helicotylenchus dihystera (common spiral nematode); Heteroligus meles (yam beetle); Hortensia similis (common green sugarcane leafhopper); Lasiodiplodia theobromae (diplodia pod rot of cocoa); Leptoglossus gonagra (squash bug); Ligyrus cuniculus (rough black hard-back (PR)); Longidorus (longidorids); Loxura atymnus; Palaeopus costicollis; Paratrichodorus porosus; Pectobacterium carotovorum subsp. carotovorum (bacterial root rot of sweet potato); Penicillium oxalicum (root rot: Sorghum spp.); Phyllosticta dioscoreicola (leaf spot of yam); Planococcus kenyae (coffee mealybug); Pratylenchus (root lesion nematode); Pratylenchus brachyurus (root-lesion nematode); Pratylenchus coffeae (banana root nematode); Pseudocercospora carbonacea (leaf spot of yam); Pyralis manihotalis; Radopholus similis (burrowing nematode); Rhizobium radiobacter (crown gall); Rhizobium rhizogenes (gall); Rosellinia bunodes (black root rot); Setomorpha rutella (insect moth); Yam internal brown spot virus (internal brown spotting of yam); Zonocerus elegans (elegant grasshopper); Zonocerus variegatus (variegated grasshopper)

Minor host of:

Aphelenchoides besseyi (rice leaf nematode); Aspidiotus destructor (coconut scale); Athelia rolfsii (sclerotium rot); Bacillus pumilus; Cerataphis lataniae (palm aphid); Chalara elegans (black root rot); Coccus hesperidum (brown soft scale); Dactyloctenium aegyptium (crowfoot grass); Diaprepes abbreviatus (citrus weevil); Heteronychus licas (black sugarcane beetle); Hoplolaimus pararobustus (lance nematode); Icerya seychellarum (Seychelles scale); Melanitis leda ismene (rice butterfly); Meloidogyne incognita (root-knot nematode); Meloidogyne javanica (sugarcane eelworm); Opogona sacchari (banana moth); Penicillium italicum (blue mould); Phyllophaga smithi (white grub); Planococcus citri (citrus mealybug); Planococcus lilacinus (cacao mealybug); Pratylenchus loosi (root lesion nematode); Prostephanus truncatus (larger grain borer); Scutellonema clathricaudatum; Spodoptera eridania (southern armyworm); Stictococcus vayssierei (cassava brown root scale); Synedrella nodiflora (synedrella); Tetranychus cinnabarinus (carmine spider mite); Tribolium castaneum (red flour beetle)

Wild host of:

Scutellonema bradys (yam nematode)

Associated with (not a host):

Bacillus subtilis

Host of (source - data mining):

Acromyrmex octospinosus (leaf cutting ant); Aleurotrachelus trachoides; Cylindrocarpon lichenicola; Euzopherodes vapidella (citrus stub moth); Lasioderma serricorne (cigarette beetle); Neonectria radicicola (black root of strawberry); Phomopsis dioscoreae; Planococcus halli; Polyphylla laticollis; Pseudocochliobolus eragrostidis (leaf spot: maize); Pseudocochliobolus pallescens (leaf spot of maize); Rhizopus arrhizus (barn rot of tobacco); Xanthomonas axonopodis pv. betlicola; Xyleborus ferrugineus (black twig borer); Yam mosaic virus