Leaves 14–26(30)-foliolate; leaflets 5–17 × 2–6.5 mm, elliptic or ± oblong, eccentrically acute and mucronulate at the apex, obliquely rounded at the base, sometimes denticulate and glandular-ciliate, glandular-pubescent to practically glabrous on both surfaces; basal nerves 4–6, the principal one submarginal and bristly beneath; venation rather prominent beneath; petiole and rhachis together 1–6.5 cm long; petiolules 0.5 mm long; stipules 7–15 × 2.5–4 mm, ovate-lanceolate, acute, scarious, pubescent, persistent.
Inflorescences axillary, dense, 3–5 cm long, subsessile or with a peduncle up to 1 cm long; pedicels 10–12 mm long; bracts 6–12 × 3–4 mm, ovate or lanceolate, acuminate, pubescent and setose; bracteoles free, 4–9 × 2–2.5 mm, ovate or lanceolate-falcate, acuminate, pubescent and setose.
Calyx pubescent and setose, 15–22 mm long, 2-lipped, the upper divided for two-thirds to three-quarters of its length (one-third in subsp. reflexa) into 2 rounded lobes, the lower for over three-quarters of its length into 3 acute lanceolate lobes.
Standard orange-yellow, (14)15–20 × (8)10–15 mm, rounded, glabrous save for a few hairs on the main nerve; wings and keel yellow.
Seeds chestnut-brown, 3.5 × 2.5 × 1.5 mm, elliptic-oblong, slightly beaked on the outside of the small eccentric hilum.
Stems glandular, sticky, densely covered with ± golden bristly tubercular-based hairs.
Fruit of 2(3) articles, 5 × 3.5–5 mm, each article oblong, pubescent.
A shrub like the last (Kotschya lutea)
Erect shrub 0.3–1.8(?4.5) m tall.
Almost bristly stems
Yellow flowers.