Assertion: petal | /r/HasProperty | white
Facets:
value: usually
type: DEGREE
Source sentences:
text: The 2 upper petals are blue to indigo in colour, while the much smaller lower petal is white.
text: These petals are usually white or yellow, purplish, or blue.
text: Also known as the Black Widow, they do well in damp shade and have petals that are white, deep purple, or maroon in color.