Ornithopus perpusillus

Prostrate or ascending annual herb to 30 cm tall; stems usually branched at base, pubescent. Leaves imparipinnate; leaflets 15–27, oblong or elliptic, 1–5 mm long, 1–2 mm wide, pubescent on both surfaces, entire, apices obtuse, often minutely mucronate; stipules to c. 1 mm long. Inflorescences 3–8-flowered umbels; peduncles mostly 1–3 cm long; bracts leafy, pinnate, mostly longer than flowers. Flowers on pedicels to c. 1 mm long; calyx 2–3 mm long, hairy, teeth c. half as long as tube; corolla 3–5 mm long, white to pink; standard oblong; wings oblong; keel obtuse, shorter than wings. Pod linear, 10–25 mm long, c. 2 mm wide, compressed, straight or slightly curved, glabrous or hairy, constricted between articles; beak filiform, to c. 3 mm long; articles 4–9; seeds ovoid, c. 1 mm long, brown. Flowers spring–summer.