Laserpitium halleri, Crantz

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 : 369-370

9. L. halleri Crantz , Class. Umb. 67 (1767)

(L. panax Gouan). More or less pubescent perennial 15-60 cm. Stock with abundant fibres. Stem terete, striate, simple or little-branched. Lower leaves 4- to 5-pinnate, triangular in outline; lobes 4-7 mm, ovate to linear-lanceolate in outline, usually again divided into 5-7 linear or filiform lobes; midrib prominent, lateral veins obscure. Petioles of upper cauline leaves narrow. Rays 15-30(-45), rough on the inner side. Bracts numerous, conspicuous, linear-lanceolate,

membranous-margined, ciliate, often 3-fid at apex; bracteoles almost entirely membranous. Petals white or pinkish. Fruit 6-9 mm, ellipsoid; lateral wings c. 1 - 5 mm, dorsal often narrower. • Alps (local); Corse. Au Co Ga He It.