no HD illustration available (m2)
xx 423398 Euphorbia officinarum L. [80 420612 Euphorbia beaumieriana Hook.f. & Coss.]
E.S.C. Cosson, J.F.G. Barratte, Ill. Fl. atlant., vol. 2(7): : t. 170, fig. 1-3 (1897) [C. Cuisin]