Copy permalink to share

Triodanis biflora (Ruiz & Pavón) Greene. Common name: Southern Venus's Looking-glass. Phenology: Apr-Jun. Habitat: Roadsides, gardens, glades, disturbed areas. Distribution: E. VA, KY, KS, AZ, and OR, south c. peninsular FL and Mexico; South America.

Origin/Endemic status: Native

Synonymy ⓘ: = C, Fl7, FNA, GrPl, Il, Mex, Mo2, NY, Tx, Va, WH3, McVaugh (1945), Rosatti (1986); = Specularia biflora (Ruiz & Pav.) Fisch. & C.A.Mey. — F, G, RAB; = Triodanis perfoliata (L.) Nieuwl. ssp. biflora (Ruiz & Pav.) Lammers — Ar, K4; = Triodanis perfoliata (L.) Nieuwl. var. biflora (Ruiz & Pav.) K.Bradley — NcTx, Pa, Tn, W; Campanula biflora Ruiz & Pavon. Basionym: Campanula biflora Ruiz & Pav. 1799

Show in key(s)

Show parent genus | Show parent in key(s)

Heliophily ⓘ: 8

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.

image of plant© Jennifer Stanley | Original Image ⭷
image of plant© Aidan Campos source | Original Image ⭷
image of plant© Grant Morrow Parkins | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷
image of plant© Bryan England | Original Image ⭷

Feedback

See something missing or incorrect about Triodanis biflora? Let us know here:

  1. Please include your name and if possible, email in case when need to clarify what you wrote.
  2. If you opt out of including email, please be as specific as possible (e.g., which photo is incorrect?)
  3. Please do not submit questions asking to identify plants or about horticultural topics (e.g., how do I control an invasive plant in my garden?). Instead, those questions can be submitted here for the Carolinas region only.
  4. Please do not send us feedback about unkeyed species as this work is ongoing.
  5. Please allow time for flora edits to show in our next data release. We greatly appreciate your feedback but may require extra time to research complicated taxonomic issues.

Horticultural Information

NCBG trait

Intro: Erect annual with small purple flowers held close to stem, growing in gardens, glades and on roadsides and other disturbed areas.

Stems: Stems ridged, branched only at base.

Leaves: Leaves alternate, sessile but generally not clasping, elliptic to oval or oblong, to about 1 in. long, sometimes wavy-margined.

Inforescence:

Flowers: Flowers in leaf axils, opening 1 at a time and most never opening; purple to pale lavender; about ½ in. wide; consisting of 5 widely spreading petals, 5 white stamens and a 3-lobed stigma.

Fruits: Fruit an ellipsoid capsule.

Comments:

Height: 6-20 in.

plant sale text:

bloom table text:

description: Erect annual with small purple flowers held close to stem, growing in gardens, glades and on roadsides and other disturbed areas.

stems: Stems ridged, branched only at base.

leaves: Leaves alternate, sessile but generally not clasping, elliptic to oval or oblong, to about 1 in. long, sometimes wavy-margined.

inflorescence:

flowers: Flowers in leaf axils, opening 1 at a time and most never opening; purple to pale lavender; about ½ in. wide; consisting of 5 widely spreading petals, 5 white stamens and a 3-lobed stigma.

fruits: Fruit an ellipsoid capsule.

comments:

cultural notes:

germination code:

native range:



0 unsaved edits on this page.