Shrubs, to 1 m tall. Stems with dense appressed white medifixed symmetrically 2-branched trichomes. Stipules ca. 1 mm. Leaves ca. 9 cm, (11-)17-27-foliolate; petiole and rachis adaxially grooved, with appressed medifixed trichomes; petiole 0.8-1.5 cm; stipels ca. 0.5 mm; petiolules ca. 1 mm; leaflet blades opposite, closely spaced, narrowly elliptic, elliptic, or obovate-elliptic, 5-9(-14) × 3-6 mm, both surfaces with appressed white medifixed trichomes, adaxially green, abaxially paler, midvein abaxially prominent and adaxially impressed, base broadly cuneate to rounded, apex rounded to acute and mucronate. Racemes 5.5-11 cm; peduncle 0.7-3 cm, with appressed white mixed brown medifixed trichomes; bracts ovate, minute. Pedicel 0.5-1 mm. Calyx cup-shaped, ca. 3 mm, with appressed grayish trichomes; teeth ca. 1-2 × as long as tube. Corolla purplish red; standard oblong-elliptic, 7-8 mm, outside with appressed medifixed trichomes; wing margin ciliate; keel margin ciliate, apex mucronate. Stamens 6-6.5 mm; anthers ovoid, glabrous. Ovary hairy; style glabrous. Legume linear, cylindric, 3-4 cm, with appressed white trichomes. Fl. Jun-Sep, fr. Oct.
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