Tordylium officinale, 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 : 367

2. T. officinale L. , Sp. Pl. 239 (1753) .

Slender, pubescent annual 20-50 cm. Stem with short, rather soft, more or less vesicular, deflexed or patent hairs, ridged, hollow, simple or branched from the base. Lower leaves pinnate with ovate to suborbicular deeply cordate segments, sometimes reduced to the terminal segment; upper leaves simple to pinnatisect, lanceolate or oblong, dentate or crenate-dentate. Rays 8-14. Bracts and bracteoles about as long as the rays, numerous, subulate, stiffly ciliate. Outer flowers with 2 petals much larger than the others (5-8 mm), each very unequally 2-lobed. Fruit 2-3 mm, with soft, vesicular hairs; wing without a thin inner part; thickened margin corrugated. Italy, Balkan peninsula and Aegean region. Al Cr G r It Ju Tu.