Leaves subfasciculate on very short reduced shoots, 12–18-foliolate; leaflets 1.3–8 × 0.5–2 mm, oblong-elliptic, lanceolate or oblanceolate, sometimes slightly falcate, acute at the apex, cuneate or oblique at the base, glabrous or sparsely ciliate, 3-nerved from the base, the main nerve subcentral or submarginal, never truly marginal; petiole and rhachis together 0.5–2.7 cm long; petiolules very short; stipules 7–10 × 1.5–3 mm, lanceolate, acuminate, scarious, pubescent, persistent.
Inflorescences axillary, dense, subsessile, 10–25 mm long; pedicels 2–2.5 mm long; bracts 6–8 × 4 mm, ovate, falcate, acuminate, striate, with a thickened often eccentric midrib, ciliate; bracteoles similar, 4–6 × 2–3 mm, narrowly ovate, hairy.
Calyx densely hairy, 9–13 mm long, 2-lipped; the upper lip oblong, divided to c. half-way into 2 acute lobes, the lower elliptic, divided half-way into 3 ovate-lanceolate acute lobes.
Standard blue with yellow mark at the base, 14 × 8–9(10.5) mm, obovate, glabrous; wings blue, white at the base; keel blue.
Stems densely covered with bristly tubercular-based hairs.
An erect shrub 4–5 ft. high, branching from numerous stems
Erect shrub or subshrub 0.9–1.5 m tall.
Ripe fruit and seeds not seen.
Flowers large, bright blue.
Ovary 2-locular, pilose.
Softly pilose