Pterocaulon

noun

Ptero·​cau·​lon

ˌterəˈkȯlən,

-ˌlän

: a small genus of vigorous woolly or downy perennial herbs (family Compositae) with alternate decurrent leaves and flower heads in dense terminal clusters see black root, golden cudweed

Word History

Etymology

New Latin, from pter- + -caulon (from Greek kaulos stem, stalk

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