Rubiaceae

A. orientalis Decne. in Ann. Sci. Nat. ser. 2, 4:348 (1835).
Tree to 20(-50) m. Young shoots glabrous or pubescent. Leaves ovate-elliptic, 5-11 x 2.5-6.5 cm, acute or obtuse, glabrous on both sides, or glabrous above and hairy below on veins or only on angles of main veins, irregularly biserrate, rounded or cuneate at base, stomata on upper surface; petiole glabrous or hairy, 1-4 cm; Fruiting catkins 1.8-2.6 x 1-1.6 cm. Nuts not winged, 4 mm, usually light brown. By streams, s.l.-1000 m.
1. Young shoots and petioles glabrous var. orientalis
1. Young shoots and petioles pubescent var. pubescens
var. orientalis. Syn: Alnus longifolia Bové in sched. Ic: Regel in Bull. Soc. Nat. Mosc. 19: t. 17 f. 12 (1876); Schneider, I11. Handb. Laubh. 1:124, f. 67f (1906). Figure 18. Map 95.
Type: [Lebanon] bords du fleuve à Bairout (Beirut), Bové 496 (sub A. longifolia) (holo. P).
S.W. & S. Anatolia. C2 Muğla: d. Köyceğiz, 15 m, D. 13575a! Denizli: Acipayam, Hüsnüye, 650 m, Selik (ISTO 449)! C3 Antalya: Hoğa çay, Antalya to Çakirlar, D. 15423b! C4 Içel: d. Anamur, Kükür to Saridana, 500 m, D. 16323a! C5 Içel: Gözne, Karabucak De., 950 m, 24 vi 1974, Merev!
?Latakia; Cyprus, Lebanon. E. Medit. element.
var. pubescens Dippel, Handb. Laubholzk. 2:151 (1892). Syn: Alnus tomen-tosa Hartig, Naturg. Forstl. Kulturpfl. 2:338 (1852). Map 95.
Type not indicated.
S.W. & S. Anatolia. C2 Muğla: Ağla, on Sandras Da., 600 m, D. 13588! Denizli: Eskere, Çiçekli, 1200 m, 14 iv 1974, Merev! C3 Antalya: Manavgat, 20 m, Kayacik et al. (ISTO 19016)! C5 Içel: Mersin, nr Giosna (Gözne), Siehe 1895:310! C6 Adana: Osmaniye, Fenk Y., 1000 m, 27 vi 1974, Merev! Hatay: Dörtyol, Kozlu De., 900 m, Yalt. (ISTO 533)!
?Endemic. E. Medit. element. On Cyprus the species is represented by two small-leaved populations (var. weissii H. Winkler and var. ovalifolia H. Winkler). A. orientalis is very closely related to A. subcordata C.A. Meyer from N. Iran, but differs from it constantly in its stomata being on the upper, not the lower, leaf surface.