Leaves 14–28-foliolate; leaflets 2.5–6 × 0.6–1.5 mm, linear to obovate-linear, rounded to truncate and mucronulate at the apex, narrowed at the base, glabrous; petiole and rhachis together 1.5–3.5 cm long, sparsely pubescent; petiolules 0.2 mm long; stipules leaf-like, 6–10 × 0.5–1.5 mm, linear-lanceolate, acuminate, truncate, subcordate or shortly unilaterally appendaged, nervose, persistent.
Flowers mostly numerous, solitary, axillary; peduncle and pedicels together 5–17 mm long; bracts absent; bracteoles 2.5–4 × 0.5–0.7 mm, ovate-lanceolate, soon falling.
Standard yellow with brown streaks, 7.5–10 × 4–5 mm, violin-shaped, emarginate; wings and keel petals yellow, the latter not laciniate.
Fruit of 1–3 articles joined by a very narrow neck, each article semicircular, 5–6.5 × 3.5–4.5 mm, compressed, glabrous, reticulate.
Erect herb or small subshrub with many tufted stems, 10–30 cm long, from a woody rootstock, mostly coming up after burns.
Calyx glabrous, 2-lipped; lips 5–7 × 2–3.5 mm, ovate-oblong, one emarginate, the other slightly 3-lobed.
Stems glabrous or with very sparse tubercular-based hairs.
Seeds not examined.