Shrubs. Branches flexuose, very fine fulvous pubescent at apex. Leaflets (3-)5-7(-9), narrowly elliptic to elliptic-lanceolate, papery to membranous, base cuneate, apex acuminate; terminal leaflet ca. 9 × 3.5 cm, petiolule ca. 1.2 cm; lateral leaflets 6-8 × 2.5-2.8 cm, petiolule ca. 2 mm. Racemes 10-15 cm; flowers congested; peduncle brown appressed pubescent; pedicel 2-6 mm; bract lanceolate, small, ca. 2 mm. Flowers purple-white. Calyx campanulate, ca. 8 × 6-7 mm at tip, both surfaces very shortly pubescent; teeth short, blunt. Standard spatulate, ca. 1.5 cm × 5.5 mm, tapering to base, both surfaces pubescent at base, without stalk; wings suboblong, ca. 9 × 3 mm, base auriculate, stalk linear, ca. 6 mm, less than 1 mm wide, glabrous; keel oblong, ca. 8 × 4 mm, base auriculate, apex blunt, stalk linear, ca. 5.5 mm, less than 1 mm wide; filament equal to keel, outside pubescent at base. Anther short. Ovary stipitate, compressed, ca. 7 mm, glabrous. Legume glossy, dark at apex, oval, ca. 2.2 cm, carpopodium ca. 1 mm at base. Seed 1. Fl. Aug, fr. next Feb.
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