Crotalaria purshii

Herbs perennial. Stems erect to ascending, 15–50(–80) cm, sparsely, loosely strigose. Leaves unifoliolate; stipules lanceolate-auriculate or triangular, decurrent on mid and distal stems, with 2 distinct lobes, (3–)5–13 mm; blade linear, linear-lanceolate or -oblanceolate, oblong, or elliptic, narrower distally, 45–100 mm, length (2.5–)4–10 times width, surfaces strigose abaxially, glabrous adaxially. Racemes (1 or)2–5(–12)-flowered, terminal, subterminal, or lateral, 6–25 cm; bracts persistent, subulate-triangular. Flowers: calyx broadly cylindrical, 6–9 mm, lobes triangular-lanceolate, glabrous or slightly puberulous; corolla bright yellow, 8–12 mm. Legumes 15–25(–30) × 7–10 mm, glabrous. 2n = 32.

Phenology: Flowering May–Jul.
Habitat: Roadsides, prairie swales, longleaf pine savannas, pine flatwoods.
Elevation: 0–200 m.

Ala., Fla., Ga., La., Miss., N.C., S.C., Tenn., Tex., Va.

Discussion

In Texas, Crotalaria purshii is known from Hunt County in the northeastern part of the state.

Selected References

None.

Lower Taxa