noun Ptero·cau·lon \ˌterəˈkȯlən, -ˌlän\

Definition of Pterocaulon

  1. :  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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Origin and Etymology of pterocaulon

New Latin, from pter- + -caulon (from Greek kaulos stem, stalk — more at cole

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a trip made at another's expense

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