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Petals orange or pinkish-orange, approximately 3–5 times as long as the calyx; standard 16–20 mm long, suborbicular-cuneate, somewhat curved upwards, light brown pubescent on the back; wings and keel slightly shorter than the standard.
Leaves unifoliolate; petiole 0–2 mm long; lamina up to 8 × 0.6 cm, linear-oblong or elliptic to linear, 9–18 times as long as broad, the upper surface glabrous, the lower surface silvery-sericeous; stipules up to 2 mm long, subulate.
Flowers in lax terminal racemes with the lower ones in the axils of up to 5 of the uppermost leaves, mostly solitary; pedicels 2–4 mm long; bracteoles usually clearly visible, c.0.5 mm long.
Pods 40–50 × 4 mm, appressed-pubescent with the dark brown sutures contrasting with the light straw-coloured surfaces.
Perennial herb with usually several stems arising from a short erect stock (perhaps also rhizomatous, Cronquist 1954).
Stems erect, usually branched in the upper part, closely appressed-pubescent.
Ovary pubescent; style glabrous; stigma pencil-like.
Stamen tube open dorsally.
