Dioscorea villosa
| Dioscorea villosa | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Dioscoreales |
| Family: | Dioscoreaceae |
| Genus: | Dioscorea |
| Species: | D. villosa |
| Binomial name | |
| Dioscorea villosa | |
| Synonyms | |
| |
Dioscorea villosa (synonym D. quaternata) is a species of twining tuberous vine which is native to eastern North America. It is commonly known as wild yam, colic root, rheumatism root, devil's bones, and fourleaf yam. It is common and widespread in a range stretching from Texas and Florida north to Minnesota, Ontario and Massachusetts.