Texas
Wildbuds

Stylosanthes biflora

(Pencilflower)

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Stylosanthes biflora, Martin Creek Lake State Park, Rusk Co. 6222

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Stylosanthes biflora, Bastrop State Park, Bastrop Co. 0152

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Stylosanthes biflora, Bastrop State Park, Bastrop Co. 0174

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Stylosanthes biflora, Martin Creek Lake State Park, Rusk Co. 6233

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Stylosanthes biflora, Bastrop State Park, Bastrop Co. 1458

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Stylosanthes biflora, Bastrop State Park, Bastrop Co. 0156

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Stylosanthes biflora, Bastrop State Park, Bastrop Co. 0165

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Stylosanthes biflora, Bastrop State Park, Bastrop Co. 0168

Scientific Name Stylosanthes biflora USDA PLANTS Symbol STBI2
Common Name Pencilflower, Sidebeak Pencilflower ITIS Taxonomic Serial No. 26973
Family Fabaceae (Pea) SEINet
Reference
Click Here
Description Habitat: Open areas, sandy soils.
Plant: Upright to sprawling perennial, one to many-branched, wiry stems up to 2 feet long.
Leaves: Alternate composite leaves spaced out along stems, each with three narrowly-elliptic leaflets 1/2 to 1-1/2 inches long with entire, hairy margins.
Inflorescence: Small (~3/8-inch across) yellow flowers growing singly from leaf axils and in terminal clusters of one to a few on short pedicels; pea-like flowers have two yellow to yellow-orange upright banners with orange veins and two wings enclosing the keel.
Bloom Period: April to November.
References: "Wildflowers of Texas" by Geyata Ajilvsgi and Illinois Wildflowers.
BONAP Distribution Map

Map Color Key
Texas Status:
Native

Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County

© Tom Lebsack 2024