Assertion: yam | /r/HasProperty | edible species
Facets:
value: out of the six hundred species
type: OTHER
Source sentences:
text: trifida) and winged, or water, yam (D. alata) are the edible species most widely diffused in tropical and subtropical countries.
text: Yams are grown mainly for its roots, and there are only twelve edible yam species out of the six hundred species that belong to the Dioscoreaceae family.