Calyx pubescent and with long glandular-based hairs and scattered glands; tube 4 mm long; two upper lobes joined for ± three-quarters of their length; laterals 4–7 mm long, lanceolate-triangular; lowest lobe 11–16 mm long, lanceolate-attenuate, often twice as long as others.
Inflorescences terminal and axillary, often branched, 4–15 cm long including peduncle up to 5 cm long, hairy as in the stems; pedicels 2 mm long; bracts brown, 7 × 2.5–6 mm, ovate, acuminate, with glandular-based hairs outside, deciduous.
Usually an erect shrub but sometimes decumbent, scrambling or climbing, 0.6–1.5 m tall or long; stems puberulous with very short hairs and with dense longer yellow sticky glandular hairs.
Standard yellow with brown veins which dry purple, 16–20 × 10 mm, including 5 mm long claw, oblong-obovate, densely pubescent outside.
Pods 3–3.5 × 0.8–1 cm, falcate-oblanceolate, narrowed at the base with dense tubercular based hairs and shorter pubescence.
Ovary and young fruit very densely covered with long yellow glandular hairs.
Seeds blackish, 5–6 × 4–5 × 1.5 mm, rounded-oblong, compressed.