Trifolium isthmocarpum Brot., it is an annual herb, erect, sometimes procumbent, up 10 50 cm long, glabrous. Stipules membranous, amplexicau1, subulate at apex. Leaflets obovate, rounded at apex, 10-25 mm long; petioles up to 10 cm long. Flowering heads hemispherical or cylindrical, dense, many-flowered, 15-25 mm wide, on 20-100 mm long peduncles, exceeding the subtending leaves. Flowers 9-12 mm long, pink, pedicels not exceeding the calyx-tube, not or weakly deflexed. Calyx whitish, 10-nerved, teeth sub equal, up to as long as the lube. Corolla 1.5-2 times as long as calyx. Pods oblong-ovoid, oblong or reniform, constricted between the 2 seeds.
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