Clasping Venus's Looking Glass

Triodanis perfoliata

''Triodanis perfoliata'', the clasping Venus' looking-glass or clasping bellflower, is a flowering plant belonging to the family Campanulaceae. 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.
Clasping Venus's Looking Glass (Triodanis perfoliata) Growing at the shaded edge (on a ridge) of a hickory-oak forest.  Clasping Venus's Looking Glass,Geotagged,Spring,Triodanis perfoliata,United States

Appearance

The flowers are wheel-shaped or bell-shaped and violet blue. They have 5-lobed corollas and are radially symmetrical. The leaves are 1/4–1" wide, are scallop-edged and shell-shaped. The plant is 6–18" high and flowers from May to August. It produces a small, many seeded capsule for fruit.
Clasping Venus's Looking Glass (Triodanis perfoliata) Growing at the leaf-littered edge of a dense hickory-oak forest.  Geotagged,Spring,Triodanis perfoliata,United States

Uses

The Cherokee take a liquid compound of root for dyspepsia from overeating, and take an infusion of roots taken and use it as a bath for dyspepsia.

The Meskwaki use it as an emetic to make one "sick all day long", and smoke it at ceremonies.

References:

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderAsterales
FamilyCampanulaceae
GenusTriodanis
SpeciesT. perfoliata