Assertion: boysenberry | /r/HasProperty | cultivated by cross
Facets:
Source sentences:
text: Boysenberry, scientific name, Rubus ursinus var loganobaccus cv Boysenberry, is actually a hybrid aggregate fruit that was cultivated by cross pollinating the flowers of three other berries: raspberry, loganberry and the blackberry.
text: The Boysenberry is a hybrid aggregate fruit that was cultivated by cross pollinating the flowers of three other berries: raspberry, loganberry and the blackberry.