Assertion: corn | /r/HasProperty | derived in pre-columbian times
Facets:
value: from one of the mexican teosintes
type: OTHER
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.
text: The best-known species is corn, or maize (Zea mays mays), which was derived from one of the Mexican teosintes (likely Z. mays parviglumis) in pre-Columbian times more than 6,000 years ago.