Assertion: aster's flowerhead | /r/HasProperty | 1
Facets:
value: usually
type: DEGREE
Source sentences:
text: Aromatic Aster can be distinguished from other asters (Symphyotrichum spp.) by the number of ray florets per flowerhead (greater than 20), the size of its flowerheads (usually about 1" across or slightly more), and the spreading linear bracts underneath each flowerhead.