Euphorbia chamaesyce subsp. chamaesyce

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 : 216

(a) Subsp. chamaesyce :

Glabrous or pubescent. Leaves less than 10 mm, suborbicular-ovate, usually emarginate, often entire. Appendages not more than twice as wide as the glands, usually entire. Throughout the range of the species.