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Leaves digitately 3-foliolate, mostly crowded; leaflets 7–35 × 2.5–14 mm, obovate to oblanceolate, acute, rounded or very slightly emarginate at the apex and recurved-mucronate, cuneate at the base, undulate, pubescent or glabrescent, densely gland-dotted, the glands smaller and more numerous on upper surface; petiole 1–2 mm long; petiolules c. 1 mm long; stipules 2–4 mm long, oblong-falcate.
Inflorescences dense, subcapitate, mostly in uppermost axils and appearing terminal, comprised of 3–15 triplets of flowers; pedicels 2–3 mm long; bracts subtending each triplet 1.5–5 mm long, ovate or obovate, persistent, glandular, ciliate; bracts subtending flowers 1.5–3 mm long, linear to lanceolate.
Standard white or pale blue with purple veins or darker purple centre, 9–10 × 7–8 mm with claw 1–3 mm long; wings longer than the keel, 9–10 × 2 mm with claws 2.5–3 mm long; keel purple with yellow glands at the tip, petals 6.5–10 × 2 with claws 3.5–4 mm long.
Calyx tube 3 mm long; lobes unequal, the lowest ± lanceolate, 6 mm long, the rest triangular-ovate, all pubescent and sparsely glandular.
Ovary 1–2 mm long; stipe 1–1.5 mm long; style with straight part 3–5 mm long and apical upwardly curved part c. 1 mm long.
Seeds chestnut-brown to dark brown, 3.5–4.5 × 2.5–2.7 mm, oblong-reniform with central hilum.
Branched erect shrub 1–3.5 m tall with densely pubescent branchlets.
Androecium 6–7 mm long, the vexillary filament lightly adherent.
Fruit 5–7 × 3–4 mm, papery, reticulate, puberulous.
