Stylosanthes biflora
(Pencilflower)
Stylosanthes biflora, Martin Creek Lake State Park, Rusk Co. 6222
Stylosanthes biflora, Bastrop State Park, Bastrop Co. 0152
Stylosanthes biflora, Bastrop State Park, Bastrop Co. 0174
Stylosanthes biflora, Martin Creek Lake State Park, Rusk Co. 6233
Stylosanthes biflora, Bastrop State Park, Bastrop Co. 1458
Stylosanthes biflora, Bastrop State Park, Bastrop Co. 0156
Stylosanthes biflora, Bastrop State Park, Bastrop Co. 0165
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 |
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| 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