Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Bikonta - bikonts |
| Corticata | |
| Archaeplastida | |
| kingdom | Plantae Haeckel - plants |
| divisio | Magnoliophyta Cronquist, Takht. & W.Zimm. - flowering plants |
| class | Liliopsida Batsch - monocotyledons |
| order | Dioscoreales J. D. Hooker |
| family | Dioscoreaceae R. Br. |
| genus | Dioscorea Plum. ex L. - yam |
| species | Dioscorea cayennensis Lam. - Yellow Guinea Yam |
| subspecies | Dioscorea cayennensis subsp. rotundata (Poir.) J.Miège - Guinea Yam |