Shrubs, erect, ca. 40 cm tall. Branchlets glabrous. Leaves 3-foliolate; petiole ca. 1 cm, glabrous; leaflets ovate-oblong, obovate-oblong, or oblong, terminal one 2.5-5 × 1-2 cm, abaxially adpressed pubescent or subglabrous, adaxially glabrous, base rounded, apex rounded or emarginate, apiculate. Racemes axillary, shorter than leaves. Pedicel ca. 3.5 mm. Calyx 4-5 mm, 5-lobed to below middle, upper 2 lobes connate to middle. Corolla purplish red, 7-8 mm; standard broadly obovate, base auriculate, shortly clawed; wings narrowly oblong, shorter than standard and keel, base auriculate, clawed; keel slightly obliquely obovate, slightly longer than standard, narrowly clawed. Ovary hairy. Legume oblong-ellipsoidal, flat, ca. 1.5 cm, adpressed hairy, apiculate. Fl. Jun-Aug, fr. Aug-Oct.
Home