CAPRIFOLIACEAE

Triosteum perfoliatum Linnaeus. Perfoliate Horse-gentian. Phen: Late May-early Jun; Aug-Oct. Hab: Woodlands and forests in circumneutral soils, particularly those over mafic or calcareous rocks. Dist: MA west to MN, south to n. SC, n. GA (Jones & Coile 1988), and OK.

Origin/Endemic status: Native

Syn: = Ar, C, F, Il, K1, K3, K4, Mi, Mo2, NE, NY, Pa, RAB, S, Tn, Va, W, WV, Ferguson (1966a); = Triosteum perfoliatum L. var. perfoliatum – G, GrPl

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