Shrubs or shrublets, 1-2 m tall. Young branches angular, with appressed white or grayish brown medifixed symmetrically 2-branched trichomes, glabrescent. Stipules linear, 3-4 mm. Leaves ca. 20 cm, 11-25-foliolate; petiole and rachis with appressed white mixed brownish gray medifixed trichomes; petiole 1.5-3 cm; rachis adaxially grooved; stipels subulate, 0.5-1 mm; petiolules ca. 2 mm, with brown trichomes; leaflet blades opposite or subopposite, oblong to oblanceolate-oblong, 2-4 × 0.7-1.6 cm, membranous, both surfaces with appressed brown and white medifixed trichomes, midvein abaxially prominent and adaxially impressed, secondary veins 11 on each side of midvein, base broadly cuneate to rounded, apex rounded to acute and mucronate. Racemes 5-12 cm, densely flowered; peduncle and rachis with appressed white medifixed trichomes; peduncle 7-10 mm; bracts subulate, 1-2 mm. Pedicel as long as bracts, with appressed medifixed trichomes. Calyx campanulate, ca. 2 mm, with slightly appressed trichomes; tube 1-1.5 mm; teeth triangular, ca. 0.5 mm. Corolla pink; standard ovate-oblong, 8-9 × ca. 5 mm, outside with dense appressed brown trichomes; wings ca. 8 mm, margin ciliate; keel as long as wings, outside with dense appressed brown trichomes at apex, spur ca. 1.5 mm. Stamens 5-7 mm; anthers ovoid-ellipsoid, glabrous. Ovary glabrous, with 20 ovules. Legume cylindric, ascending to erect, 6-9 cm, with slightly appressed brown trichomes when young, glabrescent; endocarp blotched. Seeds 15-18 per legume. Fl. Apr-Aug, fr. Sep-Oct.
Forests, scrub and waste places; at elevations from 200-1,700 metres.. It is often planted along roadsides and is also found in coconut plantations.
Can be grown by seedlings. Seeds needs soaking.
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