Peucedanum ostruthium, (L.) Koch

26. P. ostruthium (L.) Koch View in CoL , Nova Acta Acad. Leop.-Carol. 12(1): 95 (1824).

Almost glabrous perennial 30-100 cm. Rhizome stout, branched. Stem terete, striate, hollow, simple or branched above. Lower leaves up to 30 x 34 cm, usually 2-ternate, triangular in outline; lobes usually 50-100 x 40-70 mm, ovate to lanceolate, acuminate, irregularly dentate; middle lobe sometimes again 3-lobed, lateral ones sometimes 2-lobed; margins and often the veins on the lower surface ciliolate; petioles of cauline leaves strongly inflated. Peduncle puberulent. Rays usually 30- 60, puberulent on the inner side. Bracts 0(—1); bracteoles few, setaceous. Petals white or pinkish. Fruit 4-5 mm, suborbicular; wing nearly as wide as mericarp. Mountain meadows, woods, stream-banks and rocky places. • Mountains of C. & S. Europe, from the Sudety to S. Spain and C. Italy; often naturalized elsewhere from cultivation. Au Co Cz Ga Ge He Hs It Ju Po?Rm?Rs (K) [Be Br Da No Rs (C) Su].