Assertion: cattail's seed | /r/HasProperty | black
Facets:
value: usually
type: DEGREE
Source sentences:
text: Seeds are black, cylindrical about 3 mm long and 1 mm wide and transversely ridged, and range in weight from 1.62-2.84 mg.
text: The seeds are usually white, yellow, pink or black and the flowers can be huge tassels or tiny globes, with a red, pink, yellow or cream color.