Assertion: speckled alder | /r/CapableOf | form dense thickets
Facets:
value: often
type: TEMPORAL
value: from root suckering
type: CAUSE
Source sentences:
text: Speckled Alder is a common, large, multi-stemmed wetland shrub, often forming dense thickets from root suckering as well as a process called “layering”, where low branches take root then detach from the mother plant and grow independently.