Centaurea margaritacea subsp. paczoskii, (Kotov ex Klokov) 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 : 286

(m) Subsp. paczoskii (Kotov ex Klokov) Dostál , loc. cit. (1976)

(C. paczoskii Kotov ex Klokov ):

Stems smooth above. Leaf-segments filiform. Involucre 15-19 x 15-19 mm, subglobose; appendages c. 6 mm in diameter, not covering bracts, orbicular, yellowish-brown, convex, shining, indistinctly keeled, with an elongate-triangular, dark purple central spot, the margin subdenticulate, pellucid, flat, the apex muticous. Florets pale yellow. Achenes 3-5-5 mm, white; pappus somewhat longer than achene. Sandy steppes. • S.C. Ukraine (by west bank of R. Dnepr, near Kherson).