Assertion: kelp's holdfast | /r/CapableOf | anchor the plant
Facets:
value: to a hard surface
type: TRANSITIVE-OBJECT
value: to rocks
type: TRANSITIVE-OBJECT
Source sentences:
text: Most algae have root-like structures called holdfasts that anchor the plant to rocks and other substrates.1
text: The holdfast anchors the plant to a hard surface.