Centaurea triumfetti subsp. tanaitica, (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 : 299

(b) Subsp. tanaitica (Klokov) Dostál , loc. cit. (1976)

(C. tanaitica Klokov ):

Like subsp. (a) but cauline leaves with spinulose, mucronate apex, the upper oblong-oblanceolate, entire, rarely subdentate; involucre 10—15 mm in diameter, cylindricalovoid; appendages with narrower decurrent margin c. 1 mm wide, blackish-brown, the fimbriae less than twice as long as the width of the margin; pappus 2-3 mm. Steppes. S.E. Russia and E. Ukraine.