Spermatophyta: Monocotyledonae: Dioscoreales

Dioscoreaceae - Yam family

Milne-Redhead, E. (1975) Dioscoreaceae Flora of Tropical East Africa

Wilkin, P. (2009) Dioscoreaceae Flora Zambesiaca 12(2)

Description of the family

Mostly twining herbs except for the genus Tacca, which has been included in this family since the APG II system of 2003. Stems annual, often prickly below, arising from tubers or rhizomes, climbing over other vegetation. Flowers unisexual (in ours). Perianth segments in 2 series. Ovary inferior, rarely semi-inferior or superior, (1-)3-locular. Fruit a dehiscent, 3-winged or 3-angled capsule (in ours).

Worldwide: 9 genera and 890 species, tropical and warm areas with a few northern temperate.

Zimbabwe: 1 cultivated genus and 1 cultivated taxon.

No image of a cultivated species but there is an image of a native or naturalised species

Links to cultivated genera:     View: living plant images - herbarium specimen images - all images for this family

GenusContent
Dioscorea L.Description

Other sources of information about Dioscoreaceae:

Our websites:

Flora of Botswana: Dioscoreaceae
Flora of Caprivi: Dioscoreaceae
Flora of Malawi: Dioscoreaceae
Flora of Mozambique: Dioscoreaceae
Flora of Zambia: Dioscoreaceae
Flora of Zimbabwe: Dioscoreaceae

External websites:

GRIN (Germplasm Resources Information Network) taxonomy for plants report for Dioscoreaceae
Google: Web - Images - Scholar


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Cultivated plants: Family page: Dioscoreaceae.
http://www.zimbabweflora.co.zw/cult/family.php?family_id=73, retrieved 31 July 2016

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