Flora of the Southeastern United States
2022 Edition

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ARISTOLOCHIACEAE

Isotrema tomentosum (Sims) H. Huber. Woolly Dutchman's-pipe, Pipevine. Phen: May-Jun. Hab: Bottomland and riparian forests, stream and river banks, disturbed areas. Dist: S. IN, s. MO, and se. OK, south to sw. GA, Panhandle FL, and c. TX. Also cultivated horticulturally and persistent or spreading more widely around eastern North America.

Origin/Endemic status: Native

Syn: = K3, K4, Mi, NE, NY, Zhu et al (2019); = Aristolochia tomentosa – Ar, C, F, Fl2, FNA3, G, GrPl, GW2, Il, K1, Mo2, NcTx, RAB, S, Tx, WH3; = Isotrema tomentosa – Tn, orthographic variant

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image of plant© Joey Shaw [image randomly selected]