Assertion: calendula's flower | /r/HasProperty | single
Facets:
value: often
type: DEGREE
Source sentences:
text: Flowers may be single or double, yellow, orange, mahogany-red or bicolored.
text: Flowers from such chance seedlings are often small and single so that some persons have tired of them, but were they to purchase seed of some of the better varieties they would experience a distinct surprise, for these double, pure gold, lemon and sulfur-colored varieties are most attractive.