Inflorescences axillary, many-flowered, often branched, 7–15 cm long, the rhachis densely covered with tubercular-based hairs or glabrescent; peduncle 1.5–7 cm long; pedicels 3–7 mm long, all with similar hairs; bracts 7–13 × (3)4–8 mm, ovate or lanceolate, glabrous, deciduous; bracteoles 4–6 × 1.5–2.5 mm, lanceolate, glabrous, deciduous.
Young stems dark purplish-brown, often glaucous, glabrous or with dense to scattered tubercular-based hairs on some or all internodes, the older ones appearing jointed at the nodes due to the scars formed by the deciduous stipules, glabrous.
Standard yellow or orange-yellow with purple veins and a reddish basal patch inside, 11–13 × 7–8 mm, elliptic; wings and keel yellow or orange, the former free, the latter purplish at the tip.
Fruit of 3 articles joined by very narrow necks, each article semicircular, 7–8 × 5 mm, compressed, glabrous or very sparsely ciliate, smooth.
Calyx glabrous, 2-lipped; lips 8–12 × (3.5)4–5.5 mm, oblong, one entire and the other obscurely 3-fid, practically entire.
Shrub 1.2–3 m tall.
Seeds not seen.