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Leaves 4–16-foliolate; leaflets 2.5–11 × 1–2.7 mm, oblong-oblanceolate, oblanceolate, narrowly oblong or obovate-obcuneate, rounded to slightly emarginate at the apex, narrowed to an obliquely rounded base, glabrous; main nerve ± central; petiole and rhachis together 5–15 mm long, produced as a bristle; petiolules 0.3 mm long; stipules 4–8 × c. 1 mm, ovate-lanceolate to lanceolate, acuminate, shortly appendaged on one side at the base, persistent.
Inflorescences axillary, few-to several-flowered; peduncle obsolete; rhachis 1–4 cm long; pedicels 6–13 mm long, filiform, glabrous; bracts in threes, 2–3 × 0.5 mm, persistent; bracteoles 1–2 × 0.5 mm, ovate-lanceolate to lanceolate, glabrous, persistent.
Standard dark orange-yellow, 6–7 mm long, 4 mm wide above, 1 mm wide below, spathulate; wings and keel petals yellow, the latter not laciniate.
Calyx glabrous, 2-lipped; lips 3–4.5 × 1–1.5(2) mm, oblong or elliptic, one slightly emarginate, the other minutely 3-toothed.
Fruit unknown but developing underground, the stipe accrescent, 1.5–8 cm long at least.
Diffuse annual trailing herb c. 30 cm long.
Stems slender, glabrous or almost so.
