1252.000 Dioscorea - Yams
Description of the genus
Twining dioecious herbs, sometimes bearing aerial tubers. Leaves alternate or opposite, simple or compound (3-7-digitate). Male inflorescences of axillary spikes or racemes, sometimes a terminal panicle. Female inflorescences of axillary spikes. Ovary 3-locular. Fruit a 3-lobed capsule. Seeds sometimes winged. Worldwide: c. 850 species in tropical and warm regions Zambia: 14 taxa. |
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Links to taxa: View: living plant images - herbarium specimen images - all images for this genus
| Species | FZ divisions | Content |
| alata L. | Description, Image | |
| asteriscus Burkill | B,N,W,C,S | Description, Image |
| baya De Wild. var. baya | W | |
| buchananii Benth. subsp. buchananii | C,E,S | Description, Image |
| bulbifera (L.) L. | B | Description, Image |
| cochleari-apiculata De Wild. | N,W,S | |
| dumetorum (Kunth) Pax | N,W,C,S | Description, Image |
| hirtiflora Benth. subsp. pedicellata Milne-Redh. | B,N,W,C,S | Description, Image |
| praehensilis Benth. [LR-nt] | N,W,C,E | Description, Image |
| preussii Pax subsp. hylophila (Harms) Wilkin | N | |
| quartiniana Hochst. ex A. Rich. | B,N,W,C,S | Description, Image |
| sansibarensis Pax | N | Description, Image |
| schimperiana Kunth | N,W,C,E | Description, Image |
| sylvatica Eckl. | N,C,S | Description, Image |
Other sources of information about Dioscorea:
Our websites:
Flora of Botswana: DioscoreaFlora of Burundi: Dioscorea
Flora of Caprivi: Dioscorea
Flora of the DRC: Dioscorea
Flora of Malawi: Dioscorea
Flora of Mozambique: Dioscorea
Flora of Rwanda: Dioscorea
Flora of Zimbabwe: Dioscorea
Flora of Zimbabwe: cultivated Dioscorea
External websites:
African Plants: A Photo Guide (Senckenberg): DioscoreaBHL (Biodiversity Heritage Library): Dioscorea
EOL (Encyclopedia of Life): Dioscorea
GBIF (Global Biodiversity Information Facility): Dioscorea
Google: Web - Images - Scholar
iNaturalist: Dioscorea
IPNI (International Plant Names Index): Dioscorea
JSTOR Plant Science: Dioscorea
Mansfeld World Database of Agricultural and Horticultural Crops: Dioscorea
Plants of the World Online: Dioscorea
Tropicos: Dioscorea
Wikipedia: Dioscorea