Assertion: seaweed's holdfast | /r/HasProperty | basal structure
Facets:
Source sentences:
text: Thallus: algal body Lamina or blade: flattened structure that is somewhat leaf-like Sorus: spore cluster pneumatocyst , air bladder: a flotation-assisting organ on the blade Kelp, float: a flotation-assisting organ between the lamina and stipe Stipe: stem-like structure, may be absent Holdfast: basal structure providing attachment to a substrate Haptera: finger-like extension of the holdfast that anchors to a benthic substrate
text: Generally, seaweeds and many algae have holdfasts: basal structures that do exactly what the name suggests - hold fast to the rock.