Dioscorea cayenensis is a species of yam in the genus Dioscorea that is a widely consumed West African domesticated crop. Dioscorea rotundata is sometimes treated as a subspecies, and sometimes also as a separate species.[1] Common names include Guinea yam, yellow yam, and yellow Guinea yam.
| Dioscorea cayenensis | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Dioscoreales |
| Family: | Dioscoreaceae |
| Genus: | Dioscorea |
| Species: | D. cayenensis |
| Binomial name | |
| Dioscorea cayenensis | |
| Synonyms | |
| |
It may be a triploid hybrid between the cultivated D. rotundata and the wild D. burkilliana.[2]