Oaks of the World

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  Quercus macranthera
Author Fisch. & C.A.Mey. ex Hohen. 1838 Bull. Soc. Imp. Naturalistes Moscou 2: 259
Local names Caucasus oak;
Range Caucasus, North Iran, South of Caspian Sea, Armenia;
Growth habit reach 25-30 m; crown spreading;
Leaves 10-20 x 7-13 cm; obovate lanceolate to ovate; apex pointed, base cuneate; hard, leathery; margin with 8-12 pairs of shallow lobes; lobes are smaller near apex; grey green above, grey tomentose beneath; petiole pubescent 1-2 cm long;
Flowers male catkins pubescent, 5-8 cm long;
Fruits acorn 2.5 cm long; ovoid; sessile or nearly so; enclosed 1/2 by cup; cup with small, hairy, lanceolate scales; maturing in 1 year;

Bark, twigs and

bark purple grey, scaly, thick; twig orangish brown tomentose, stout, becoming glabrous; bid bud 1-1.5 cm long, dark red brown, hairy at tip;
Hardiness zone, habitat hardy; all types of soils, including calcareous ones, but prefers dry sites; fast-growing;
Miscellaneous -- A. Camus : n° 125;
-- Sub-genus Quercus, Section Quercus, Series Roburoid;
-- Resembles
Q.canariensis, but with pubescent twigs and dark red buds;

Subspecies and
-- subsp syspirensis (K.Koch) Menitsky 1972
= Q.syspirensis K.Koch 1849 Linnaea 22: 328
= Q. macranthera var. syspirensis (K.Koch) Wenz. 1886
= Q. pubescens var. syspirensis (K.Koch) Medw. 1919
= Q. sessileiflora var. pubescens Boiss. 1879
= Q.x bornmuelleriana O.Schwarz 1935
Turkey (center and north); Lebanon; it is probably not necessary to distinguish this species, differing from the type in having smaller height (7-10 m), smaller leaves (5-10 cm x 3-5) with 5-9 pairs of regular short lobes, and persistent stipules only on apical buds;

--For Menitsky, Q.x bornmuelleriana is a hybrid betwenn Q.syspirensis and Q.petraea subsp petraea;