Assertion: blackberry | /r/HasProperty | perennial plants
Facets:
Source sentences:
text: Blackberries are perennial plants which typically bear biennial stems from the perennial root system.
text: All blackberries are perennials, which means that they survive year after year.
text: Blackberries are perennial plants which typically bear biennial stems ("canes") from the perennial root system.
text: Blackberries are perennial plants which typically bear biennial stems ("canes") from the perennial root system.
text: Blackberries are perennial plants.
text: Another good thing about blackberries is that they are perennials.