Assertion: oak | /r/HasProperty | genus quercus
Facets:
Source sentences:
text: Oak, (genus Quercus), any of about 450 species of ornamental and timber trees and shrubs constituting the genus Quercus in the beech family (Fagaceae), distributed throughout the north temperate zone and at high altitudes in the tropics.
text: Florida grows 19 species of oak trees (genus Quercus).