Dioscorea orbiculata var. orbiculata

Conservation status: 

IUCN red list category LC (IUCN 2001). See Thapyai et al. (2005).

Diagnostic description: 

Plant pubescent, indumentum present on all parts except inner whorl tepals, hairs usually dense on young shoots and inflorescences, sparse with age; nodal prickles often present, 2–2.5 mm long, straight or curved, cataphylls often prickly on dorsal surface.

Distribution: 

Thailand, Peninsular Malaysia (lectotype) and Indonesia (Sumatra). Possibly also in southern peninsular Thailand.

Habitat: 

Moist evergreen forest; 50–300 m.

Uses: 

Tuber edible, presumably cooked (Prain & Burkill 1938).

Phenology: 

Flowering August–January, fruiting November–February.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith