Orobanchaceae

O. alba Stephan in Willd., Sp. Pl. 3:350 (1800). Syn: O. epithymum DC, Fl. Fr. 3:490 (1805); 0. teucrii sensu Boiss., Fl. Or. 4:508 (1879) p.p. non F.W. Schultz (1835); O. cuprea Boiss. & Bal. in Boiss., op. cit. 510 (1879); O. wiedemannii Boiss., op. cit. 510 (1879). Ic: Pflanzenreich 96 (IV. 261): f. 14 A-H (1930); Ross-Craig, Draw. Brit. PL 23: t. 26 (1966).
Stem 8-70 cm. Bracts usually equalling corolla tube. Calyx halves usually undivided, rarely bidentate (var. bidentata G. Beck), teeth lanceolate, acuminate, rarely subulate, mostly 3-nerved, glandular-pilose, mostly equalling corolla tube. Corolla 10-30 mm, campanulate, enlarged in front above insertion of stamens, inclined forward, white to sulphur yellow or gingery orange, reddish and purplish-veined towards limb, reddish- or purplish-pilose chiefly on upper lip; dorsal line somewhat curved, usually ± straight in middle, upper lip usually curved downwards and often slightly erect at tip; lips with broad crenulate-dentate glandular-pilose lobes. Stamens inserted 0-3 mm above corolla base ; filaments usually pilose near base, glandular-pilose above, glabrous in middle. Stigma red or purple (very rarely yellow or white). Fl. 4-7. On Labiatae (often Thymus), 280-2550 m.
Type: [USSR] in Siberia versus Mare Caspium, Stephan (holo. LE, iso. B-Willd. 11600).
Throughout Turkey and Islands. A 1(E) Kırklareli: Mahya Da., 900 m, A. Baytop (ISTE 13239)! A2(E) Istanbul: Rumelihisari, 20 v 1905, B. Post! A2 (A) Istanbul: Aydos, E. Özhatay (ISTE 18101)! A3 Bolu: Abant G., 17 vii 1940, B. Post! A4 Zonguldak: Kel Tepe, above Karabük, 1700 m, D. 37851! A5 Samsun: Kizilirmak, Kral Yataği, 500 m, Tobey 1810! A6 Sivas: Yildiz-dağ, 2300 m, Sorger 76-8-80! A7 Gümüşane: 24 km S. of Gümüşane, 1525 m, Furse & Synge 908(!). A8 Erzurum: Tchabanz valley (Çapans De.), 1780 m, 1843, C. Koch. A9/B8 Erzurum: Pasinler to Horasan, D. 29386! Bl Balıkesir: mt. Ida (Kaz Da.), nr Kareikos, Sint. 1883; 756! B3 Eskişehir: Eskişehir, Krause. B5 Kayseri: Erciyas Da., vii 1902, Penther & Zederbauer! B6 Sivas: Kunduz Da., Sorger 69-52-20! B7 Tunceli: Munzur Da. above Ovacik, 2500 m, D. 31406! B8 Muş: 14 km from Varto to Hinis, E. side of Bingöl Da., 1050 m, D. 46214! B9 Ağri: 2 km S.W. of Hamur. 1670 m, D. 44078! B10 Kars: Küçük Ağri Da., nr Serdar Bulak, 2300 m, D. 46893! Cl Aydin: Samsun Da., 280 m, Dudley (D. 34963)! C2 Antalya: Elmali, 2000 m, Khan et al. 327! C4 Içel: Dschehennan (Cehennem) De., 500 m, Siehe 1895: 186! C5 Adana: Cilician gates (Gülek Boğazi), 915 m, Balls 1225! C6 Hatay : Belen to Soğuk Oluk, 500 m, D. 26998! C7 Adıyaman: Nimrud (Nemrut) Da., 10 viii 1906, G & B. Post! C9 Hakkari: Elkiyayla Da., 2400-2550 m, D. 45300b! C10 Hakkari: Sat Da. between Yüksekova and Varegöz, 2000 m, D. 45831! Is: Samos, Tigani, D. 1617! Lipsoi, Runem. & Bothmer 46662!
Europe, S.W. Asia to Himalaya.