A shrub. Stems erect, glabrous, glandular. Leaves trifoliolate, petiolate, stipulate; petioles up to 1 cm long; leaflets 0.5-2.5 mm long, 0.4-1.1 cm broad, obovate, thickly nigro-punctate, glabrous, mucronulate; terminal leaflet on short petiole; lateral leaflets sub-sessile. Stipules not exceeding 5 mm long, ovate, lanceolate, acute. Flowers axillary, solitary. Pedicels up 3-5 cm long, bracteolate at the apex. Bracts tri-lobed, 2-3 mm long, ovate, acuminate, glandular, glabrous. Calyx-tube 3 mm long, 8 mm in diameter, glabrous, thickly glandular; lobes ovate, acute, glandular, glabrous, ciliate, pilose on the inner surface; upper and lateral lobes 2-4 mm long, 1-5 mm broad; lowest lobe slightly longer. Vexillum 8 mm long, 1 cm broad, obovate; claw channelled, 3 mm long, with two slight appendages at the apex; alae 8 mm long, 4 mm broad, with a linear claw-4 mm long; carina 6 mm long, 4 mm broad, with a linear claw 6 mm long. Ovary glabrous style 7 mm long, glabrous.
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High shrub, up to 2 m high, reseeder. Stems glabrous, pustulate. Stipules ovate, lanceolate, acute, spreading, pustulate. Leaves 3-foliolate. Leaflets obovate or obcordate, apex obtuse to emarginate, glabrous, profusely nigro-punctate, lateral leaflets subsessile, shorter than terminal. Inflorescences axillary, 1-flowered, along seasonal shoots; pedicels slender, 2-3x longer than leaves. Flowers colour unknown. Calyx: lobes ovate, glabrous. Wing petals longer than keel. Flowering time Jan., Feb.