Species

Quercus garryana Douglas ex Hook.

LC

Known Hybrids (3)

Synonyms (6)

breweri gilberti jacobi neaei oerstediana semota
Data from Oaks of the World

Geographic Range

Western USA (Pacific Coasts); to 800 m; wide-spreading in Oregon; introduced en Europe in 1873;

Growth Habit

reaches 25-30 m, with trunk 1 m in diameter; ascending branches; crown spreading, rounded; short trunk;

Leaves

2.5-13 x 1.5-8 cm; thick, stiff; oboval or elliptic; apex rounded; base variable; margin with 5-7 deep lobes, each one with 1-2 teeth; bright dark green above, light green, pubescent beneath with short simple and stellate hairs; turning yellow or red at fall; 4-8 veins pairs; petiole pubescent 1.5-2.5 cm ;

Flowers

spring; male on 3-5 cm long catkins;

Fruits

acorn 1.2-3 cm, sessile, elliptic, apex somewhat flattened; single or to 3 on a short peduncle; shallow scaly cup; edible, sweet; maturing in 1 year;

Common Names

Oregon white oak

Hardiness & Habitat

hardy; all types of soils, mainly acidic ones; slow-growing; not for shade; may live up to 300 years;

Additional Information

– A. Camus : n° 265 ; – Sub-genus Quercus, Section Quercus, Subsection Dumosae; – Discovered in 1820 by David Douglas; – Nicholas Garry worked at the Hudson’s Company Bay and helped David Douglas. – Hybridizes with : Q.douglasii (= x eplingii ), Q.dumosa ( = x howellii ), Q.durata ( = x subconvexa ) ;

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