16. Cyanus tchihatcheffii (Fisch. & C.A.Mey.) Wagenitz & Greuter in Greuter (2003: 57).

Centaurea tchihatcheffii Fischer & Meyer (1854: 31) . Melanoloma tchihatcheffii (Fisch. & C.A.Mey.) Boissier (1875: 704) . Type:— TURKEY. Asie Mineure, Tchihatcheff 311 (holotype P00703724!).

Centaurea purpureiradiata Huber-Morath (1967: 317) . Type:— TURKEY. B4 Ankara: Gölbaşi, Brachland, 18 May 1956, Karamanoğlu s.n. (holotype G00006083!).

Distribution: — Cyanus tchihatcheffii is a rare endemic of Ankara Province, C Turkey (Fig. 8).

Selected specimens examined:— TURKEY. B4 Ankara: Gölbaşi, 900 m, Brown 316 (E!).