Assertion: blackberry | /r/HasProperty | divided by their growth habit
Facets:
value: by absence
type: OTHER
Source sentences:
text: Blackberries are divided by their growth habit (trailing, semi-trailing, and erect), by the presence or absence of thorns (thorny or thornless), and more recently by floricane- and primocane-fruiting types (also known as everbearing or double cropping).