Assertion: cattail's rhizome | /r/HasProperty | starchy
Facets:
value: very
type: DEGREE
Source sentences:
text: Native Americans would parch the edible rhizomes (seeds), which are high in protein and very starchy, grind them into a powder for flour, mixed it with water, boiled it and ate it as porridge.
text: The rhizomes are fibrous and starchy, and are usually harvested in the winter and cooked like potatoes.