Knautia byzantina, Fritsch

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 : 67

45. K. byzantina Fritsch , Verh. Zool.-Bot. Ges. Wien 45: 429 (1896).

Annual. Stem 20-30 cm, crispate-puberulent; peduncles eglandular. Leaves setose and puberulent, especially above; basal in a rosette, narrowly lanceolate, acuminate, entire or crenate-serrate; upper cauline linear to lanceolate, undivided or pinnate, entire to laciniate, more or less amplexicaul. Capitula 2-3 cm in diameter, with 35-40 florets. Involucre patelliform; bracts many, linear-deltate, puberulent and with conspicuous, rigid cilia, with whitish margin. Calyx patelliform, 8- to 10- awned. Corolla bluish-violet; marginal corollas with outer median lobe somewhat wider than the lateral, the tube c. 6 mm. Fruit with unequal involucel-teeth. Scrub and cultivated fields. Turkey-in-Europe, S.E. Bulgaria. Bu Tu. (Anatolia.)