Oaks of the World

General data Classifications List of species Local names Back to
home page

  Quercus imbricaria
Author Michx. 1801
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;
-- section Lobatae ;
-- 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;
Pictures