Assertion: sugarcane's stem | /r/HasProperty | cylindrical
Facets:
value: usually
type: DEGREE
Source sentences:
text: Grasses may be annual or perennial herbs,:10 generally with the following characteristics (the image gallery can be used for reference): The stems of grasses, called culms, are usually cylindrical (more rarely flattened, but not 3-angled) and are hollow, plugged at the nodes, where the leaves are attached.