Genus: Isotrema — dutchman's pipe

Our two New England species, both non-native, were formerly placed in the genus Aristolochia. References: Barringer (1997), Kelly and Gonzalez (2003)..

Fruits: Isotrema macrophyllum. ~ By New York State Museum. ~ Copyright © 2022 New York State Museum. ~ www.nysm.nysed.gov/imagerequest

Flowers: Isotrema macrophyllum. ~ By Dow Gardens. ~ Copyright © 2022 CC BY-NC 3.0. ~ ~ Bugwood - www.bugwood.org/

Family

Aristolochiaceae (birthwort family)

This genus’s species in New England

Isotrema macrophyllum
Isotrema tomentosum

Visit this genus in the Dichotomous Key

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