Triodanis perfoliata, the clasping Venus' looking-glass or clasping bellflower, is an annual flowering plant belonging to the family Campanulaceae (bellflower family). It is an annual herb native to North and South America, the natural range extending from Canada to Argentina. It is also naturalized in China, Korea and Australia.
Where it grows
T. perfoliata is native in much of North and South America. In Canada, it grows in Ontario, British Columbia, and Quebec. In the United States, it is native in every state except Nevada, Alaska, and Hawaii. It is also native to Mexico, Costa Rica, Guatemala, Argentina, Bolivia, Brazil, Colombia, Ecuador, Paraguay, Peru, and Uruguay. The plant grows in disturbed sites, open woods, grassy slopes, rocky outcrops, gravelly areas, and roadsides, mainly in poor, dry, sandy, or gravelly soil.
Uses
The Cherokee make a liquid compound of roots infused into a bath for dyspepsia (indigestion).
Text excerpted from the Wikipedia article Triodanis perfoliata by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.