Trifolium lappaceum, L.

69. T. lappaceum L. View in CoL , Sp. Pl. 768 (1753).

Annual, bright green, with numerous usually branched glabrescent, erect or ascending stems 5-40 cm. Leaflets 5-20 mm, obovate-cuneate, obtuse, hairy. Stipules oblong, conspicuously veined; apex long, lanceolate or subulate, herbaceous, hairy. Heads 12-20 mm wide, globose, rarely ovoid; peduncles up to 35 mm in fruit. Calyxtube with 20 conspicuous veins, glabrous or glabrescent, rarely hairy; teeth 3-5-6 mm, longer than the tube, prominently 5-veined and triangular below, filiform and hairy above. Corolla 7-8 mm, pink, equalling the calyx at anthesis, much shorter than the calyx in fruit. Legume ovate, with a thickened apex. 5. Europe. Al Az BI Bu Co Ga G r Hs It Ju Lu Rs (K) Sa Si Tu [Cz]. Varies considerably in habit and size. The only taxon possibly deserving more than varietal rank is subsp. adrianopolitanum Velen. , Fl. Bulg., Suppl. 80 (1898), from S. Bulgaria, with upper stipules broadly ovate and shortly acuminate, and heads elliptical, with rather long peduncles.