4. Cyanus depressus (M.Bieb.) Soják (1972: 131) .

Centaurea depressa Marschall von Bieberstein (1808: 346) . Type:— GEORGIA. In collibus siccis Iberiae, circa Tiflis, 1806, Steven s.n. (lectotype LE 01024093! designated by Czerepanov (1963: 413), isolectotype LE 01024094!).

Centaurea anatolica Grisebach (1846: 234) . Type:— TURKEY. In Olympo Bithyniae, Thirke 81 (lectotype GOET008600! designated here).

Centaurea depressa var. amasiana Bornmüller (1905: 260) . Type:— TURKEY. Amasya: at Khaousa, 400–600 m, 10 May 1889, Bornmüller 540 (holotype B, isotype BM000552000!).

Distribution: — Cyanus depressus is widely distributed in Afghanistan, Armenia, Azerbaijan, Bulgaria, Geogria, Greece, Iran, Nepal, Pakistan, Russia, Spain, Syria, W Tibet, Turkey, Ukraine, southwest and central Asia and SE Europe (Czerepanov 1963, Wagenitz 1975, 1980, 2019, Boršić et al. 2011). Its distribution is wider in comparison to the other species of the genus. Cyanus depressus is a widespread element in Turkey and can be found in most parts of the country (Fig. 3).

Selected specimens examined:— TURKEY. Isparta: Isparta et Kousmalu Pisida inter segetes, May 1845, Heldreich s.n. (E!: two sheets) . Malatya: Malatya, on the SE side of the city, 2 June 1968, Alava 6816 (E!); ad oppidum Malatya, 1911, Cadell 3673 (SAV!: two sheets) . Konya: Konya to çumra, Kuçük köy, 980 m, 21 May 1962, Helbaek 2492 (E!); 3 km from Cihanbeyli to Tuz G., 900 m, 18 June 1962, Dudley D35940 (E!); Türkei bei Can Hasan S Konya, 28 May 1974, Ern VO 5771 (E!). B7 Elaziğ: 14 km from Elaziğ to Hazar G., 850 m, 5 June 1957, Davis & Hedge D28974 (E!). B9 Van: Van, 1750 m, 6 June 1966, Davis 44398 (E!); ad pagum Chošab dit . Van, inter segetes, 1800 m, 7 October 1910, Nábělek 3706 (SAV!: five sheets); between Hosap and W foot of Kepir Dağ, 30 July 1954, Davis & Polunin 23316 (E!). B10 Kars: Iğdir D.Ü.Ç., 800 m, 28 May 1966, Davis 43825 (E!). A9 Kars: 8 km from Kars to Susuz, 1800 m, 5 July 1957, Davis & Hedge D30622 (E!). A/B2 Bilecik: Pazaryeri, 750 m, 2 July 1962, Davis et al. D.36487 (E!: two sheets). B3 Eskişehir: ca. 24 km from Polatli to Sivrihisar, 800 m, 12 June 1965, Coode & Jones 2251 (E!). C5 Niğde: near Ulukişla, 1000 m, Siehe in Hayek, Centaureae Exsicc. Crit. I.4 (GB!); ridge N of Maden behind village, 1829 m, 2 July 1969, Darrah 443 (E!); several miles NW of the Ala Daglari, 25 August 1965, Findlay 54 (E!) . Erzurum: in arvis ad Baibout, 26 June 1861, Bourgeau 131 (E!); 38 km from Dogubayazit to Erzurum, 12 July 1970, Hewitt 380 (E!) . Kirsehir: Gulsehir (Arapsun), ca. 20 km from Gulsehir, 500 m, 2 August 1956, McNeill 364 (E!); Mucur-Sifegol, 17 July 1954, Davis 21801 (E!) . Ağri: road E of Doğu, 1 June 1962, Brown 496 (E!). Gümüşane: Taltaban, 18 June 1894, Sintenis 5907 (E!). A4 Kastamonu: Kastamonu, 2 June 1974, Rückbrodt s.n. (E!) . Kayseri: Sivas-Kayseri near Gemerek, 1400 m, 23 May 1960, Stainton & Henderson 5119 (E!) . Bayburt: Bayburt, 1934, Balls 1776 (E!) . Antalya: Antalya E of the town, 14 June 1959, Hennipman 354 (E!); Elmalu, in arvis, 19 May 1860, Bourgeau 153 (E!) . Mardin: Bakakri, 2 July 1888, Sintenis 1252 (E!) . Ankara: Ankara, 13 June 1962, Apold et al. 4 (E!); Hacikadun valley nr. Kecioren, 11 June 1952, Davis & Dodds 18796 (E!); Golbasi, 27 May 1959, Brown 316 (E!: photo); Bala [Cylik], 30 May 1959, Brown 1434 (E!); Dikrmen, 12 June 1967, Baytop 11462 (E!); Galatia, 11 May 1960, Furse & Synge 107 (E!); Ankara, 5 km WSW Beypazari, 590 m, 19 June 1986, Speta s.n. (W!). A1 (E) Kirklareli: between Pinarhisar and Erenleskoy, ca. 250 m, 26 June 1968, Baytop 13825 (E!: two sheets). B5 Nevsehir: Goreme, tuff hillsides, 1130 m, 30 June 1966, Davis 42207 (E!) . Amasya: near Hersifou, 1 June 1969, A. Baytop & T. Baytop 15246 (E!) . Adana: Saimbeyli, Doganbeyli-Akcal, 12 July1952, Davis et al. 19895 (E!). A5/B5 Yozgat: 14 miles from Cekerek to Alaca, 800 m, 27 May 1965, Coode & Jones 1634 (E!) . Denizli: 27 km sudlich Denizli zwischen dem Kazik beli und Sarabatkoyu, 1200 m, 2 Junly 1973, Holtz et al. 00.444 (E!); ca. 10 km NE Çameli, 1560 m, 6 June 1988, Speta s.n. (W!). C2 Muğla: Muğla to Kale, 4 km form M., 840 m, 28 May 1962, Dudley 35070 (E!) . Şanlıurfa: Hilvan, 1965, Zel 1090 (E!) . Bolu: östl. Bulu ( Auffahrt Fakilar Geç), 700–800 m, 5 June 1986, Speta s.n. (W!) . Tunceli: Mazgirt (Mazgerd, Mêzgır), ca. 32.7 km SE of Tunceli, road Ortharman-Elmalık, 1.5 km NNE Elmalık, 20 May 2011, Vitek & Ergin 11-0161 (W!); Vitek & Ergin 11-0152 (W!). B6 Sivas: Sivas, 900 m, 1890, Bornmüller 3015 (B!). Anatolia, Wiedemann s.n. (E!). Enademque stirpem in Anatolia oriental, Donietti s.n. (GOET!) (syntype of Centaurea anatolica) .