Assertion: ambrosia | /r/HasProperty | obtained
Facets:
value: from the seed
type: OTHER
Source sentences:
text: Hybrids between A. bidentata and A. trifida have been recorded[].This plant was cultivated by the pre-Columbian N. American Indians, seeds found in pre-historic sites are 4 - 5 times larger than those of the present-day wild plant, which seems to indicate selective breeding by the Indians[].The following report is for Ambrosia artemesifolia, it quite possibly also applies to this species[].An oil is obtained from the seed.