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Quercus hartwissiana | |
Author | Stev. 1857 Bull. Soc. Imp. Naturalistes Moscou 30: 387 |
Synonyms | armeniaca Kotschy
1864 p. p. stranjensis Turrill 1928 robur var. armeniaca A.DC. 1864 hartwissiana var. macrocarpa (Medw.) A.Camus 1939 |
Local names | |
Range | South and East
Bulgaria; Asia Minor; The Caucasus; 1000-1500 m; |
Growth habit | 7-9 m in cultivation, but may reach 35 m; |
Leaves | 7-15 x 3.5-9
cm; oblong to oboval; apex obtuse; base obliquely cordate, often auricled;;
5-10 pairs of short, rounded, fairly equal, rather narrow lobes; shiny
dark green, glabrous above; paler, scarcely pubescent beneath, specially
along midrib; 7-13 secondary veins pairs, parallel, straight; intercalary
veins absent or not evident; petiole 2-3cm long, hairless; |
Flowers | |
Fruits | acorn 1.8-3
cm long, 1.5 cm in diameter; sub-ovoid, mucronate; paired or to 5 together
on a large peduncle up to 7 cm; cup 1.5-2 cm in diameter, with thick wall,
enclosing 1/3 of nut; scales broad, thin, appressed except at tip, whitish
tomentose; |
Bark, twigs and |
bark
thick, finely furrowed, dark reddish brown; twig reddish, hairless;
|
Hardiness zone, habitat | hardy;
all types of soils; |
Miscellaneous | --
A. Camus : n° 154 ; -- Sub-genus Quercus, Section Quercus, Series Roburoid; -- Identical to Q.roburoides Bér., species vanished today, abundant at Pliocene, "ancestor" of Q.petraea, Q.pubescens and Q.robur. |
Subspecies and varieties |
-- a variety has been described : var. ajudaghiensis Steven; |
Pictures |