What physical characteristic is most commonly used to identify different yam cultivars?

Which of the following describes the flesh of the Purple/Okinawan yam?

What is a distinguishing characteristic of the Yellow Guinea yam (Dioscorea cayennensis)?

Which yam cultivar is known for its exceptionally long tubers that can grow to over 1 meter in length?

What unique characteristic identifies the Trifoliate yam (Dioscorea dumetorum)?

Which yam cultivar is identified by its small, clustered tubers rather than a single large tuber?

What characteristic of yam cultivars often correlates with cooking time?

Which term describes yam cultivars that produce aerial tubers in leaf axils?

What feature distinguishes the Eboe yam from other White Guinea yam cultivars?

Which characteristic helps identify the Japanese mountain yam (Dioscorea japonica)?