Ornithopus pinnatus

Prostrate or ascending annual herb to 50 cm tall; branches sparsely pubescent to glabrous. Leaves imparipinnate; leaflets 5–19, linear to elliptic or oblanceolate, mostly 5–15 mm long, 2–6 mm wide, lower surface glabrous, upper surface sparsely pubescent, entire, obtuse with a small apical point; stipules 1–2 mm long. Inflorescences 1–5-flowered umbels; peduncles mostly 1.5–6 cm long; bracts minute or absent. Flowers on pedicels to c. 0.5 mm long; calyx c. 5 mm long, virtually glabrous, teeth shorter than tube; corolla 6–8 mm long, yellow; standard oblong; wings oblong; keel obtuse, shorter than wings. Pod linear, 20–35 mm long, c. 1.5 mm wide, usually curved, glabrous, slightly constricted between articles; beak filiform, to c. 5 mm long; articles usually c. 8; seeds ovoid, c. 1 mm long, brown. Flowers mainly Aug.–Jan.