Centaurea boissieri subsp. spachii, (Schultz Bip. ex Willk.) Dostal

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 : 280

(k) Subsp. spachii (Schultz Bip. ex Willk.) Dostál , loc. cit. (1976)

( C. spachii Schultz Bip. ex Willk. ):

Stems 10-20 cm, usually erect. Leaves whitish-tomentose or -lanate on both surfaces; lower l(-2)-pinnatisect. Involucre 12 mm, ovoid-oblong; appendages with a patent apical spine 5 mm. Florets pale pink. Hillsides. • S.E. Spain (provs. Albacete, Valencia).

C. cordubensis Font Quer , Collect. Bot. (Barcelona) 1: 310 (1947), described from S. Spain (near Cordoba), is said to be like 129(a) but has the appendages with erect apical spines and the pappus slightly longer than the achene; further information is required.