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Triodanis coloradoensis (Colorado venus' looking-glass)
Schwartzman, Steven

Triodanis coloradoensis

Triodanis coloradoensis (Buckley) McVaugh

Colorado Venus' looking-glass, Western Venus' Looking Glass

Campanulaceae (Bellflower Family)


USDA Symbol: TRCO5

USDA Native Status: L48 (N)


Plant Characteristics

Duration: Annual
Habit: Herb
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Elliptic , Oblanceolate
Leaf Pubescence: Glabrous
Leaf Margin: Dentate
Inflorescence: Axillary
Flower: Petals 5
Size Class: 1-3 ft.

Bloom Information

Bloom Color: White , Blue , Violet
Bloom Time: Apr , May , Jun


Native Distribution: Edwards Plateau of Texas & South Texas Plains, endemic.
Native Habitat: Dry rocky hillsides and bluffs, among shrubs, limestone ledges, gravel bars and floodplains, and in rich woods


Attracts: Butterflies

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:

Lady Bird Johnson Wildflower Center - Austin, TX
Brackenridge Field Laboratory - Austin, TX
Patsy Glenn Refuge - Wimberley, TX

Herbarium Specimen(s)

NPSOT 0221 Collected May 14, 1992 in Comal County by Mary Beth White
NPSOT 0598 Collected May 13, 1992 in Medina County by Harry Cliffe


Bibref 293 - Manual of the Vascular Plants of Texas (1979) Correll, D. S. & M. C. Johnston
Bibref 286 - Wildflowers of the Texas Hill Country (1989) Enquist, M.

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Additional resources

USDA: Find Triodanis coloradoensis in USDA Plants
FNA: Find Triodanis coloradoensis in the Flora of North America (if available)
Google: Search Google for Triodanis coloradoensis


Record Last Modified: 2010-06-23
Research By: TWC Staff

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