Stylosanthes biflora (L.) Britton, Sterns & Poggenb.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Fabaceae
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Scientific Name
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Description
Species Description - Stems wiry, branched from the base, depressed to ascending or erect, 1–5 dm, with or without spreading setae; lfls narrow, 1–4 cm, 3–6 times as long as wide, acute and subulate-tipped to merely mucronate; spikes short; bracteal lvs usually 1-foliolate, the blade and stipular base often setose-ciliate as well as puberulent; fls 2–6 in the spike, orange-yellow (white), the standard 7–9 mm; fr 4–5 mm, thinly hairy, obliquely ovate, reticulate-veiny; 2n=20. Dry or rocky woods and barrens; s. N.Y. to O., s. Ill., and Kans., s. to Fla. and La. June–Aug. (S. riparia)