Cullen patens

Prostrate perennial herb, usually with a greenish appearance, atypically greyish; stems to c. 1 m long, striate, grey-pubescent, glands not visible. Leaves pinnately trifoliolate, 3–10 cm long; leaflets more or less ovate, 1–4 cm long, 7–20 mm wide, upper surface glabrous or grey-pubescent, lower surface usually more densely hairy, both surfaces dotted with glands, apices obtuse, margins irregularly toothed, undulate; terminal petiolule 3–15 mm long; stipules triangular-lanceolate, 2–8 mm long. Inflorescence rachis 1–16 cm long; peduncles mostly 2.6–13.5 cm long in early flower, shorter or longer than subtending leaves; flowers in 2s or 3s, subsessile; bract ovate-acuminate, 1.5–5.5 mm long, tomentose; calyx tubular-campanulate, 3.2–6 mm long, villous with white hairs, teeth unequal, upper 2 longer than lateral 2, all 4 longer than calyx tube, lower one longest; corolla 4–6.5 mm long, purple distally, white towards base, exceeding calyx by c. 1 mm, persistent in fruit. Pod ovoid, c. 3 mm long, included in calyx, villous, brown, indehiscent; seed 1, c. 2 mm long, yellow. Flowers mainly Jul.–Nov.