Assertion: yam | /r/HasProperty | vines of the genus dioscorea
Facets:
Source sentences:
text: Several species of yams (vines of the genus Dioscorea) are grown for their edible tuberous roots, such as Chinese yam, or cinnamon vine (D. batatas); air potato (D. bulbifera); and yampee, or cush-cush (D. trifida).