Crotalaria incana var. incana
Herbs annual or perennial. Stems sometimes suffrutescent basally, erect to ascending, 25–130 cm, hirsute-villous to strigose-hirsute, hairs mostly ascending. Leaves 3-foliolate; stipules sometimes caducous, triangular, 3–8 mm; leaflet blades elliptic, ovate, or obovate, (10–)30–70 mm, length 1.3–2 times width, surfaces glabrous, sometimes hairy on abaxial midvein. Racemes 5–30-flowered, terminal, subterminal, or lateral, 5–23 cm; bracts persistent or caducous, filiform. Flowers: calyx broadly cylindrical, sometimes basally truncate, not deflexed against pedicels, 1.5–3 mm, lobes narrowly triangular, glabrous or slightly puberulous; corolla yellow with prominent reddish lines near base, each wing with a reddish purple spot at base, 9–16 mm. Legumes straight, 25–35 × 10–15 mm, villous-hirsute to hispid-hirsute. 2n = 14.
Phenology: Flowering Feb–Oct (year-round).
Habitat: Roadsides, fields, riverbanks, coral wastes, beach ridges, pine woods.
Elevation: 0–10 m.
Distribution
Introduced; Ala., Fla., Ga., S.C., Tex., Africa, introduced also in Mexico, Central America, South America, Asia, Indian Ocean Islands, Pacific Islands, Australia.
Discussion
Selected References
None.