Assertion: true yam | /r/HasProperty | cultivated for food
Facets:
value: in the united states
type: LOCATION
Source sentences:
text: The air-potato yam (D. bulbifera) is one of the few true yams cultivated for food in the United States.
text: The air-potato yam (D. bulbifera) is one of the few true yams cultivated for food in the United States.