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Flower mauve to purple, 11–18 × 13–20 mm; pedicel c. 1 mm long, not expanding as the pod matures; bracteoles 1.5–6 mm long, linear-lanceolate, usually 1-nerved, rarely multinerved.
Calyx densely covered with white or brown bristly hairs; tube 3–4 mm long; lobes 5–9 mm long, linear-lanceolate, subequal, the upper pair joined for two-thirds of their length.
Pods erect, 4–5 cm × 4–5 mm, linear-cylindrical, sparsely covered with appressed white or dark brown bristly hairs, with a curved beak.
Standard with 2 parallel widely spaced appendages; keel without a beak or pocket, not twisted or slightly twisted towards the left.
Annual or perennial trailing or entirely prostrate herb, up to 1.8 m long, or sometimes suberect and short, c. 15 cm tall.
Peduncle 4–25 cm × 0.5–1 mm, pubescent; rhachis 1–2-noded, internodes 1–2 mm long.
Stem densely covered with spreading yellowish or dark brown bristly hairs.
Seed 3.5–6.5 × 2.5–3.5 × 2–5 mm; rim aril developed as two parallel lines.
Ovary 5–9-ovuled.
