English Oak

Quercus robur ssp. pedunculiflora Fagaceae

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