Assertion: hydrangea's cluster | /r/CapableOf | form marginal ring
Facets:
value: often
type: TEMPORAL
Source sentences:
text: It generally features serrate, obovate to elliptic, dark green leaves (4-8” long) and large clusters of long-blooming summer flowers in either lacecap form (flattened flower clusters of small fertile florets with scattered showy sterile florets often forming a marginal ring) or mophead form (globose flower clusters of mostly showy sterile florets).