Cicuta virosa, L.

1. C. virosa L. View in CoL , Sp. Pl. 255 (1753) View Cited Treatment .

Stout perennial up to 120 cm. Stock ovoid or shortly cylindrical, septate. Leaves up to 30 cm, deflate in outline; lobes 5-10 cm, linear-lanceolate or linear, acutely and deeply serrate, asymmetrical at base; petiole stout. Rays 1-5 cm, 10-20, subequal. Bracts absent; bracteoles 6-8, linear-oblong, about as long as the pedicels in fruit. Flowers 30-50 in each partial umbel. Pedicels slender, divaricate or deflexed in fruit. Fruit 1-75-2 x 1-5-1-75 mm. 2« = 22. In shallow water or on damp mud. Most o f Europe from 45° N. northwards; very rare further south and absent from most of the islands. Au Be Br Bu Cz Da Fe Ga Ge G r Hb He Ho *Hs Hu It Ju No Po Rm Rs (N, B, C, W, E) Su.

Extremely poisonous.