Leaves erect, pressed to the stem, 2–4-foliolate; leaflets 4–13 × 2–6 mm, obovate to oblanceolate-oblong, somewhat falcate, mostly rounded at the apex, narrowed to the base; rather thick, glabrous, 3–6-nerved from the base; venation reticulate; petiole and rhachis together 2–4(10) mm long, with a line of hairs beneath; petiolules obsolete; stipules 6–18 × 3–6 mm, obovate-oblong or oblong-elliptic, leaf-like, obliquely appendaged at the base on one side, persistent.
Inflorescences axillary, several-flowered; peduncle 1–1.5 cm long; rhachis 2–6 cm long, sparsely pubescent or glabrous; pedicels 2–4(10) mm long; bracts 2-lobed, persistent, the lobes 2–6.5 × 0.7–1.5 mm, lanceolate, some of the lowest 3-partite, corresponding to 2 stipules and a reduced leaf; bracteoles 3–5.5 × 1–2 mm, ovate-lanceolate or lanceolate; both bracts and bracteoles appendaged.
Fruit reflexed, of 1 or 2 articles joined by a very narrow neck, each article ± semicircular, lower margin rounded, upper margin straight, both somewhat thickened, 6–8 × 5–7 mm, compressed, glabrous, reticulate.
Seeds chestnut-brown, 4.5 × 3 × 2 mm, ellipsoid-reniform; hilum elliptic, with a distinct flange-like rim-aril present.
Erect subshrub 6–45 cm tall, with many stems from a woody rootstock, flowering after burns.
Standard yellow or orange, 10–13 × 7–8 mm, violin-shaped; keel petals not laciniate.
Calyx 2-lipped; lips 5.5–7 × 3.54 mm, ovate, the one 2-toothed, the other 3-toothed.
Stems glabrous or pubescent.