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Lupinus subcarnosus (Sandyland bluebonnet)
Carr, Bill

Lupinus subcarnosus

Lupinus subcarnosus Hook.

Sandyland bluebonnet, Texas 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.


Plant Characteristics

Duration: Annual
Habit: Herb
Root Type: Tap
Leaf Complexity: Palmate
Breeding System: Flowers Bisexual
Size Class: 0-1 ft.

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.


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

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.

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:

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


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 Newsletter1985 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 Last Modified: 2007-12-13
Research By: TWC Staff

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