Stylosanthes biflora [Fabaceae]

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Scientific Name Stylosanthes biflora USDA PLANTS Symbol STBI2
Common Name Pencilflower, Sidebeak Pencilflower ITIS Taxonomic Serial No. 26973
Family Fabaceae (Pea) SEINet
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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

Texas Status:

© Tom Lebsack 2023