Dioscorea deltoidea

Dioscorea deltoidea, the Nepal yam, is a species of flowering plant in the family Dioscoreaceae. Its native range is the Himalayas through to south-central China and mainland Southeast Asia.^[1][2] Its tubers contain diosgenin and are harvested by local peoples as a treatment for a variety of conditions, including gastrointestinal disorders and intestinal worms.^[3] Tubers are also eaten after boiling, washing, and baking.^[4] It grows in forests and humus-rich soils.^[5]

Dioscorea deltoidea
Inflorescence
Twining habit
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Dioscoreales
Family:	Dioscoreaceae
Genus:	Dioscorea
Species:	D. deltoidea
Binomial name
Dioscorea deltoidea Wall. ex Griseb.
Synonyms[1]
Dioscorea deltoidea var. orbiculata Prain & Burkill Dioscorea nepalensis (Jacquem. ex Prain & Burkill) Sweet ex Bernardi Tamus nepalensis Jacquem. ex Prain & Burkill