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Garry oak, Oregon white oak

Habit Deciduous tree 10-20 m. tall, the trunk up to 1 m. in diameter with thick, furrowed and scaly bark; young growth with reddish pubescence.
Leaves

Leaves alternate, the blades broadly oblong to obovate in outline, bright green on the upper surface, paler and yellowish-pubescent beneath, 5-12 cm. long, deeply lobed to sub-pinnatifid, the lobes 3-7 per side, entire or bluntly 2- or 3-toothed;

petioles 1-2 cm. long.

Flowers

Plants monoecious; staminate flowers in lax catkins, 1 per node in the axils of early-deciduous bracts;

perianth 6-lobed half its length;

stamens 6-10; pistillate flowers single or clustered, each surrounded by a scaly, cup-like involucre;

ovary inferior;

styles 3.

Fruits

Involucre hardens into a shallow cup, up to 2 cm. broad and 1 cm. deep, holding the ovoid to sub-globose acorn, 2-3 cm. long.

Quercus coccinea

Quercus garryana

Flowering time April-June
Habitat Prairies, meadows, balds, rocky bluffs, and related open areas mostly at low elevations.
Distribution
[WildflowerSearch map]
[BONAP county map]
Occurring on both sides of the Cascades crest and east in the Columbia River Gorge in Washington; Vancouver Island, British Columbia to California.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
Q. garryana, Q. palustris, Q. robur, Q. rubra
Q. palustris, Q. robur, Q. rubra
Subordinate taxa
Q. garryana var. garryana
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