Assertion: narrowleaf cattail | /r/CapableOf | grow over time
Facets:
value: normally
type: DEGREE
Source sentences:
text: Narrowleaf cattail is an erect, slender, marginal, rhizomatous, herbaceous, perennial semi aquatic emergent herb that normally grows about 3 to 6 feet (1-2 m) tall, often forming, over time, dense stands of robust spreading vegetation.