Oaks of the World

General dataClassificationsList of speciesLocal namesBack to
home page

 Quercus chrysolepis
AuthorLiebm. 1854
Synonymschrysolepis var. nana (Jepson) Jepson
chrysophyllus Kellogg 1855
crassipocula Torr. 1857
fulvescens Kellogg 1863
oblongifolia R.Br.ter 1871
wilcoxii Rydb. 1901
Local namescanyon oak ; maul oak; canyon live oak ; goldencup oak;
RangeMexico; Southwest United States; to 2700 m; introduced in Europe in 1877 by Ch. Sargent;
Growth habit6-20 m tall; short, broad trunk; crown rounded to spreading; shrubby at high elevations;
Leaves 1.4-5 x 1-3 cm; evergreen; elliptic; apex pointed, base rounded; margins slightly revolute, minutely dentate or sometimes entire; thick, leathery; shiny dark green above; when young with golden tomentum beneath, then becoming bluish-grey with some stellate and glandular hairs; 10-15 vein pairs; petiole yellowish 3-9 mm; rusty pubescent, flattened underside;
Flowersin April-May; 7-9 stamens;
Fruits acorn 2-4 cm, ovoid, blunt-tipped, singly or paired; cup sessile or nearly so, 1.5-4 cm wide, shallow, thick, tomentose inside, with pubescent, flat or warty scales sometimes covered with yellow tomentum (hence the name "golden cup oak"); maturing in 2 years;

Bark, twigs and
buds

bark light grey, smooth or remotely scaly; young shoots furnished with orangish glandular hairs; branchlets reddish brown, tomentose, becoming blackish; bud conic, 2-8 mm long, with brown, ciliate scales;
Hardiness zone, habitathardy; prefers moist, well-drained soils; very slow growing;
Miscellaneous-- A. Camus : n° 293;
-- golden oak (= section Protobalanus);
-- one of the most beautiful Californian oaks; wood hard, heavy; bearing flowers longer than other oaks; lives up to 300 years and more;
-- resembles
Q.cedrosensis, but the latter is shrubby and has small acorns;
Subspecies and
varieties
Q.vaccinifolia = see the file ;
Pictures