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Thelypodium texanum

Thelypodium texanum (Cory) Rollins

Texas Thelypody

Brassicaceae (Mustard Family)


USDA Symbol: THTE4

USDA Native Status: L48 (N)


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Plant Characteristics

Duration: Annual
Habit: Herb
Leaf Arrangement: Alternate
Leaf Complexity: Pinnate
Inflorescence: Raceme , Terminal
Fruit Type: Silique
Size Notes: 13-48(-61) cm. (Webref 3).
Leaf: Basal leaves (and proximal cauline): petiole 1-2.5(-4) cm; blade oblanceolate or spatulate in outline (lateral lobes often oblong, sometimes ovate), (3.4-)5-15(-24) cm (11-)15-35(-55) mm, margins pinnately lobed (lobes dentate, entire, or repand). (Webref 3).
Flower: Flowers: sepals spreading or ascending, oblong to linear-oblong, (2.5-)3.5-5 1-1.5 mm; petals white, spatulate to oblanceolate, (3.5-)4-6.5(-7) (0.5-)1-2 mm, margins not crisped, claw differentiated from blade (widest at base); nectar glands confluent; filaments equal, (4-)4.5-6.5(-7) mm; anthers oblong, (1-)1.5-2 mm, circinately coiled; gynophore 0.5-1(-2) mm. (Webref 3).
Fruit: Fruits usually divaricate, rarely ascending, torulose, straight or slightly recurved, flattened, (1.9-)2.8-6(-7) cm (1-)1.3-1.5(-1.7) mm, (replum not constricted between seeds); ovules 28-48 per ovary; style usually conical to subconical, rarely subcylindrical, 0.8-1.5(-3) mm. Seeds (1-)1.2-1.5 0.8-1(-1.3) mm. (Webref 3).
Size Class: 0-1 ft. , 1-3 ft.

Bloom Information

Bloom Color: White
Bloom Time: Feb , Mar , Apr
Bloom Notes: Flowers white.


Native Distribution: Big Bend region of Texas and New Mexico.
Native Habitat: Barren hillsides, creek beds, stream banks. (Webref 3).


Bibref 293 - Manual of the Vascular Plants of Texas (1979) Correll, D. S. & M. C. Johnston

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Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

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


Record Modified: 2012-09-19
Research By: JAM

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