Assertion: blackberry's cane | /r/CapableOf | produce flower
Facets:
Source sentences:
text: Apply fertilizer to established plants in early spring before the canes begin to produce flowers.
text: Wineberry canes grow in two stages; in the first year they form a vegetative cane, and in the second year the cane becomes woody and produces lateral branches, flowers, and fruit (technically drupes, an aggregation of single seeded drupelets, but for clarity the term fruit will be used).