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Isotrema Rafinesque. Dutchman's-pipe.

Key to Isotrema

A genus of about 90-100 species, of temperate and tropical Asia, se. North America, and Central America. Zhu et al. (2019) argue for the recognition of Isotrema at generic rank, but include Endodeca in it; we prefer to separate Endodeca (basal to Isotrema s.s.).

Ref: Barringer (1997) In Flora of North America Editorial Committee (1997); Huber In Kubitzki, Rohwer, & Bittrich (1993); Kelly & González (2003); Ohi-Toma et al. (2006); Zhu et al. (2019). Show full citations.

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image of plant© Alan Cressler: Isotrema tomentosum, Paint Rock River, Jackson County, Alabama 1 by Alan Cressler | Isotrema tomentosum source | Original Image ⭷