Ptero·​cau·​lon | \ ˌterəˈkȯlən, -ˌlän \

Definition of Pterocaulon

: 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

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History and Etymology for Pterocaulon

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

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Cite this Entry

“Pterocaulon.” Dictionary, Merriam-Webster, Accessed 20 Sep. 2020.

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