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Lupinus subcarnosus (Texas bluebonnet)
Pyle, Lynn

Lupinus subcarnosus

Lupinus subcarnosus Hook.

Texas Bluebonnet, Sandyland Bluebonnet

Fabaceae (Pea Family)


USDA Symbol: lusu

USDA Native Status: L48 (N)

Texas bluebonnet is a 6-16 in. winter annual. The bright-blue, pea-like flowers have a white center which turns purple with age or pollination. These showy flowers occur in a loose terminal spike. Leaves are palmately divided into five leaflets.

Texas Bluebonnets mixed with various paintbrushes adorn roadsides, a colorful sign of spring in central Texas.


From the Image Gallery

9 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Root Type: Tap
Leaf Arrangement: Alternate
Leaf Complexity: Palmate
Breeding System: Flowers Bisexual
Fruit Type: Legume
Size Notes: Up to about 16 inches tall.

Bloom Information

Bloom Color: Blue , Purple
Bloom Time: Mar , Apr


Native Distribution: S.c. TX, scattered to n. Hidalgo Co.
Native Habitat: Sandy fields; roadsides

Growing Conditions

Light Requirement: Sun
Soil Description: Deep sands.

Value to Beneficial Insects

Special Value to Native Bees
Special Value to Bumble Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.


Description: Plant seeds in the fall.
Seed Treatment: Scarification will hasten germination but is not absolutely necessary.
Commercially Avail: yes

Find Seed or Plants

Order seed of this species from Native American Seed and help support the Wildflower Center.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Fredericksburg Nature Center - Fredericksburg, TX
Stengl Biological Research Station - Smithville, TX

Herbarium Specimen(s)

NPSOT 0830 Collected Mar 27, 1994 in Bexar County by Harry Cliffe

1 specimen(s) available in the Digital Herbarium


Bibref 318 - Native Texas Plants: Landscaping Region by Region (2002) Wasowski, S. & A. Wasowski
Bibref 328 - Wildflowers of Texas (2003) Ajilvsgi, Geyata.

Search More Titles in Bibliography

From the Archive

Wildflower Newsletter 1985 VOL. 2, NO.1 - A Glorious Spring, Lupines in Landscapes, Director's Report, Notable Quote, Wild...

Additional resources

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


Record Modified: 2022-03-21
Research By: TWC Staff

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