Oaks of the World

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  Quercus imbricaria
Author Michx. 1801 Hist. Chênes Amér. 15
Synonyms aprica Raf. 1838
obtusa Pursh. not Willd.
latifolia Steud.
1841
phellos var. imbricaria (Michx.) A DC 1864
Local names shingle oak ; laurel oak ;
Range SE and Central USA; 100-700 m; introduced in Europe in 1786 by Fraser;
Growth habit to 26 m tall; crown pyramid-shaped at first, becoming rounded;
Leaves 7.5-15 x 2-5 cm; entire, not toothed; semi-evergreen; oblong; apex pointed ending in small tooth; base attenuate; margin slightly wavy; dark green above; paler and pubescent beneath; petiole 1-1.5 cm, mostly red above;
Flowers April-May;
Fruits acorn 1-2 cm, round; brown striped with black; cup with soft, overlapping, hairy scales; nut enclosed 1/3 to 1/2 by cup; maturing in 2 years;

Bark, twigs and
buds

bark blackish, smooth, becoming purple grey, with broad, deep furrows; bud brown, 3 mm long, pentagonal in cross section; with striated scales;
Hardiness zone, habitat hardy; perfers lime-free, deep, moist soils but withstands alkaline and dry ones; rather slow-growing;
Miscellaneous -- A.Camus : n° 413;
-- Sub-genus Quercus, section Lobatae, subsection Phellos;
-- Numerous hybrids, among them :
Q.x anceps , Q.x egglestonii, Q.x exacta, Q.x leana, Q.x runcinata, Q. x tridentata ;

Subspecies and
varieties
no cultivars;
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