Dittrichia W. Greuter

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 136-137

32. Dittrichia W. Greuter 1

( Cupularia Gren. & Godron , non Link)

Like Inula but capitula medium to small; achenes cylindrical, abruptly contracted below the pappus; pappus-hairs connate near base.

Ligules 10-12 mm, distinctly exceeding the involucre 1. viscosa Ligules 4-7 mm, not or scarcely exceeding the involucre

2. graveolens