Portuguese Oak

Growth habit

Tree

Perennation

Long-lived polycarpic perennial

Native distribution

Spain and Portugal

Location

Urban Tree Collection

Source of plant

Terrence Hanlon

Description

A semi-evergreen tree or shrub reaching 20m in height in the wild; bark is very thick, brown or gray, checkered with rectangular plates; leaves variable, partly oval-elliptic, partly obovate-oblong, 3-7cm long, 1.5-4cm wide, obtuse to rounded, the margins regularly dentate, the base cordate or rounded to truncate, the upper surface loosely stellate-pubescent at first, later glabrous or gray-green, densely gray-tomentose beneath, eventually glabrous; acorns about 2.5cm long, oval-oblong, about 1/3 enclosed in the cup, ripening in the first year, paired or solitary on a stalk about 1cm long.

USDA Hardiness Zone

5