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Campanulaceae
Triodanis

not marked as a favorite taxon Triodanis perfoliata (Linnaeus) Nieuwland. Phenology: Apr-Jul. Habitat: Roadsides, gardens, glades, dry forests, disturbed areas. Distribution: ME and BC south to c. peninsular FL and Mexico; West Indies; Ecuador.

Glossary (beta!)

Origin/Endemic status: Native

Synonymy ⓘ: = C, Fl7, GrPl, Il, Mex, Mi, Mo2, NY, Tx, Va, WH3, McVaugh (1945), Rosatti (1986); = Specularia perfoliata (L.) A.DC. — F, G, RAB, Tat, WV; = Triodanis perfoliata (L.) Nieuwl. ssp. perfoliata — Ar, K4; = Triodanis perfoliata (L.) Nieuwl. var. perfoliata — NcTx, Pa, Tn, W; Campanula perfoliata Linnaeus. Basionym: Campanula perfoliata L. 1753

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACU
  • Eastern Mountains and Piedmont: FAC
  • Great Plains: FAC
  • Midwest: FAC
  • Northcentral & Northeast: FACU

Heliophily ⓘ: 8

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image #1 of Triodanis perfoliata© Gary P. Fleming | Original Image ⭷
image #2 of Triodanis perfoliata© Scott Ward | Original Image ⭷
image #3 of Triodanis perfoliata© Joey Shaw source | Original Image ⭷
image #4 of Triodanis perfoliata© Erik Danielson source
image #5 of Triodanis perfoliata© Keith Bradley | Original Image ⭷
image #6 of Triodanis perfoliata© Emily Oglesby | Original Image ⭷
image #7 of Triodanis perfoliata© Erik Danielson source | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect annual growing in gardens, glades, dry forests, roadsides and other disturbed areas.

Stems: Stem slender, unbranched, light green and ridged, with a line of hairs on each ridge.

Leaves: Leaves alternate, clasping the stem, heart-shaped, to 1 in. long, wavy-margined.

Inforescence:

Flowers: Flowers in groups of 1-3 in leaf axils along upper half of stem, the lower ones rarely opening. Flowers that do open are purple, ½ in. wide, with a short tubular corolla opening to 5 spreading lobes and a prominent pistil.

Fruits: Fruit an oblong to ellipsoid capsule.

Comments: Stem and leaves leak milky sap when broken.

Height: 4-12 in.

plant sale text: This lovely little native annual is often thought of as a weed, but its beautiful purple star-shaped flowers make it worthy of being given a spot in the garden. Venus' looking-glass attracts a variety of pollinator species, with the smaller bees (such as the little green metallic bees) being the most frequent visitors.

bloom table text:

description: Erect annual growing in gardens, glades, dry forests, roadsides and other disturbed areas.

stems: Stem slender, unbranched, light green and ridged, with a line of hairs on each ridge.

leaves: Leaves alternate, clasping the stem, heart-shaped, to 1 in. long, wavy-margined.

inflorescence:

flowers: Flowers in groups of 1-3 in leaf axils along upper half of stem, the lower ones rarely opening. Flowers that do open are purple, ½ in. wide, with a short tubular corolla opening to 5 spreading lobes and a prominent pistil.

fruits: Fruit an oblong to ellipsoid capsule.

comments: Stem and leaves leak milky sap when broken.

cultural notes:

germination code: 2

native range: North America, Mexico, West Indies, Ecuador



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