| Quercus macranthera | |
| Author | Fisch. & C.A.Mey. ex Hohen. 1838 Bull. Soc. Imp. Naturalistes Moscou 2: 259 |
| Synonyms | |
| 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 varieties |
--
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; |
| Pictures |
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