English Oak
Other names
Truffle Oak, Pedunculate Oak
Growth habit
Tree
Perennation
Long-lived polycarpic perennial
Native distribution
Europe, N. Africa, and Western Asia.
Location
Schnee Oak Collection, Urban Tree Collection
Source of plant
Terrance Hanlon, US National Arboretum
Description
Young branchlets subglabrous, rapidly glabrous, lenticellate. Leaves 8-13(-17) × 6-9cm, obovate or oblong-obovate, apex rounded, base rounded to cordate, margin with 4-5 pairs of rounded, entire or further shallowly divided lobes, puberulent above and white-tomentose beneath at first, becoming glabrous above, blue-green and sparsely pubescent beneath; petiole 0.3-1cm. Acorns mature in first year, 2-3 × 1.5-2cm, ovoid, apex mucronate and tomentose, otherwise glabrous; cupule subhemispherical, made up of tightly adpressed or spreading to reflexed, yellow-tomentose scales, enclosing one-third of acorn.
USDA Hardiness Zone
4