Euphorbia cyparissias, L.

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 : 226

101. E. cyparissias L. , Sp. Pl. 461 (1753) .

Glabrous perennial up to 50 cm, rhizomatous, usually unbranched at the base but with up to 16 axillary non-flowering branches and 0-7 axillary rays. Leaves 5-40 x 0-5-3 mm, linear, entire. Ray-leaves linear to oblong. Raylet-leaves reniform, rhombic or suborbicular. Rays (5-)9-18(-22), once or twice dichotomous. Glands with 2 horns. Capsule 3 x 3-5 mm, deeply sulcate, granulate on the keels. Seeds 1-75 mm, ovoid, somewhat shiny, grey. 2/i = 20, 40. • Most o f Europe except the extreme north and the extreme south, but only as an alien in most o f the north. Al Au Be?B1 Bu Cz G a Ge G r He Ho Hs Hu It Ju Po Rm Rs (C, W, E) Tu [Br D a Fe N o Rs (N, *B, K) Su].