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Solanum triquetrum (Texas nightshade)
Loughmiller, Campbell and Lynn

Solanum triquetrum

Solanum triquetrum Cav.

Texas nightshade, Hierba mora

Solanaceae (Potato Family)


USDA Symbol: SOTR2

USDA Native Status: L48 (N)


Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Arrangement: Alternate
Breeding System: Flowers Bisexual
Inflorescence: Cyme
Fruit: Red
Size Class: 3-6 ft.

Bloom Information

Bloom Color: White , Violet
Bloom Time: Jan , Feb , Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov , Dec
Bloom Notes: White or tinged violet



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:

Brackenridge Field Laboratory - Austin, TX

Herbarium Specimen(s)

NPSOT 0831 Collected Mar 27, 1994 in Bexar County by Harry Cliffe
NPSOT 0871 Collected May 4, 1994 in Bexar County by Harry Cliffe
NPSOT 0513 Collected Jul 2, 1987 in Bexar County by Harry Cliffe

Wildflower Center Seed Bank

LBJWC-MM-802 Collected 2010-07-02 in Burnet County by Lady Bird Johnson Wildflower Center


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


Record Last Modified: 2009-03-18
Research By: TWC Staff

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