Quercus coccinea |
Quercus garryana |
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Garry oak, Oregon white oak |
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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. |
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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. |
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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. |
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Quercus coccinea |
Quercus garryana |
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Flowering time | April-June | |
Habitat | Prairies, meadows, balds, rocky bluffs, and related open areas mostly at low elevations. | |
Distribution | Occurring on both sides of the Cascades crest and east in the Columbia River Gorge in Washington; Vancouver Island, British Columbia to California.
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Origin | Native | |
Conservation status | Not of concern | |
Sibling taxa | ||
Subordinate taxa | ||
Web links |
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