Peucedanum oreoselinum, (L.) Moench

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 : 363

22. P. oreoselinum (L.) Moench , Meth. 82 (1794).

Nearly glabrous, often reddish perennial 30-100 cm. Stock with fibres. Stem terete, striate, solid, glabrous or puberulent. Lower leaves up to 40 cm, 2- to 3-pinnate, triangular in outline, somewhat coriaceous; primary and secondary divisions at right angles to the axis or deflexed, the stalks often flexuous; lobes usually 10-30 mm, ovate in outline, pinnately lobed, their stalks narrowly winged; ultimate lobes obovate-cuneate or rhombic, dentate, apiculate; margins thickened, scabrid; upper cauline leaves less divided, their petioles somewhat inflated. Rays 15-30, puberulent on the inner side. Bracts and bracteoles usually numerous, linearlanceolate, deflexed. Sepals ovate, subobtuse. Petals white or pinkish, papillose. Fruit 5-8 mm, broadly obovate; wing c. 0-75 mm wide, rather thick; dorsal ridges slender, scarcely prominent. 2zi = 22. Much o f Europe, but absent from the islands, the extreme south, and most o f the north. Au Cz fD a Ga Ge He Hs Hu It Ju Lu Po Rm Rs (B, C, W, E) Su.

P. bourgaei Lange in Willk. & Lange, Prodr. FI. Hisp. 3: 42 (1874), from C. Spain and C. Portugal, is probably a variant of 22, but ripe fruit appears to be still unknown. It is larger in all its parts, and has broad leaf-lobes which are oblique and unequally lobed.