Trifolium ligusticum, Balbis ex Loisel.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 167

57. T. ligusticum Balbis ex Loisel. , FI. Gall. 731 (1807).

Annual; stems 10-40(-60) cm, dark green, with sparse patent hairs, ascending or diffuse. Leaves all petiolate; leaflets 10-20 x 5-13 mm, broadly obovate. Stipules ovate or oblong with setaceous apex. Heads 6-15 mm, ovoid or oblong, often paired, then one axillary and long-pedunculate, the other terminal but laterally displaced and shortly pedunculate. Calyx 4-6 mm; mouth of the calyx-tube closed with a callosity; calyx-teeth ciliate, setaceous, ultimately divergent, subequal, 1-2 times as long as the tube. Corolla 3-4 mm, much shorter than the calyx. Dry places; calcifuge. S. W. Europe. Az BI?Bu Co Ga Hs It LuSa Si?Tu [Ge].