Assertion: domesticated corn | /r/HasProperty | derived in pre-columbian times
Facets:
value: from the balsas teosinte
type: LOCATION
Source sentences:
text: Domesticated corn, or maize (Zea mays mays), was derived from the Balsas teosinte (Z. mays parviglumis) of southern Mexico in pre-Columbian times more than 6,000 years ago.