Trifolium hirtum

Erect or decumbent annual herb; stems few, 10–30 cm long, striate, reddish, densely villous. Leaves palmately trifoliolate, petiolate to subsessile; leaflets obovate to oblong-cuneate, 8–15 mm long, 6–10 mm wide, appressed-hairy, minutely dentate in upper part, obtuse to retuse at apex; stipules membranous, villous, adnate to petioles for one-third of their length. Inflorescence 20–40-flowered, terminal, globose, c. 20 mm long, c. 20 mm wide, sessile; involucral stipules 3, broadly ovate or orbicular, cuspidate, prominently veined; flowers sessile. Calyx 10–13 mm long, densely covered with appressed hairs, tube obconical, 20-veined, throat open, teeth 2–3 times as long as tube, subequal, blunt, erect or slightly spreading in fruit; fruiting calyx increasing in width; corolla 15–17 mm long, deep pink to purple, persistent; standard lanceolate, acute. Pod obovoid, c. 3 mm long, membranous, included in calyx tube; seed 1, reniform, c. 2 mm long, yellow. Flowers mainly Oct.–Dec.