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Corolla white or pale pink, the standard red-veined or sometimes reddish or brownish on back; standard 9–10 × 5–7 mm, slightly violin-shaped, wedge-shaped at the base, truncate to retuse at the apex, the margins thickened and infolded over c. 4 mm from the base; wings with a claw 3–3.5 mm long, curved, the blade 7.5–9 × 3.5–4.5 mm, oblong, laterally pouched, auriculate; keel as long as the wings, curved, pointed, the claws c. 3 mm long.
Umbels 3–8-flowered; peduncle 15–70 mm long, strigose to subglabrous; foliage leaf on the peduncle 1–3-foliolate, leaf-like; pedicels 1.5–3 mm long, subglabrous; glands (bracts) at the base of the pedicels blackish.
Calyx subglabrous, light green tinged red, often the tube red overall; hypanthium c. 1 mm long, calyx tube 2–2.5 mm long above the insertion of the stamens; lobes 2.5–3.5 mm long, triangular-cuspidate.
Stems procumbent, up to 1 m long and 1.5(2.5) mm in diameter, red or light green becoming reddish with age, with an indumentum of sparse, ± appressed or short arching hairs.
Filament sheath c. 6 mm long; free parts of the shorter filaments c. 2.5 mm long, those of the longer filaments c. 4 mm long.
Undershrub or perennial herb with numerous straggling herbaceous or rarely woody stems from a woody rootstock.
Ovary c. 6 mm long, glabrous, c. 23-ovulate; style c. 4 mm long, slightly curved upwards.
Pod c. 30 × 3.7 mm, terete, brown.
Seeds c. 2 mm long, ovoid, brown.
