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Search Results for "quercus"


Quercus lobata (Valley oak)

Other names: Sacramento white oak, Californian oak, California white oak, Roble

Q. lobata is a spreading, deciduous tree with deeply furrowed, grey to brown bark, oblong to ovate, velvety, dark green leaves divided into eleven rounded lobes, and ovoid, sweet, edible, dark brown acorns.
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Ultimate spread 15m
max. spread
Ultimate height 25m
max. height
Time to ultimate size 50-100 years
to maturity
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Quercus ilex (Holm oak)

Other names: Evergreen oak, Holly-leaved oak, Holly-oak, Ilex

Q. ilex is a large evergreen tree forming a dense crown of rounded leaves and inconspicuous yellow-green catkins in spring followed by characteristic acorns.
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Ultimate spread 12m
max. spread
Ultimate height 15m
max. height
Time to ultimate size 20-50 years
to maturity
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Quercus pubescens (Downy oak)

Other names: Truffle oak, Nepal oak

Q. pubescens is a spreading, deciduous tree with deeply grooved, grey to black bark and densely hairy shoots bearing oblong to ovate, grey-green leaves, hairy beneath, with rounded lobes ending in pointed teeth. Clusters or catkins of insignificant flowers in spring are followed by ovoid acorns with scaly cups.
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Ultimate spread 15m
max. spread
Ultimate height 20m
max. height
Time to ultimate size 20-50 years
to maturity
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Quercus cerris (Turkey oak)

Other names: Iron oak, Bitter oak, Manna oak, Mossy-cupped oak, Wainscot oak

Q. cerris is a variable, fast-growing, spreading, deciduous tree with plated, dark grey bark and oblong to lance-shaped, deeply lobed or toothed, dark green leaves, pale green beneath, turning yellow-brown in autumn. Clusters or catkins of inconspicuous, yellow-green flowers in spring are followed by acorns with bristly cups.
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Ultimate spread 25m
max. spread
Ultimate height 30m
max. height
Time to ultimate size 20-50 years
to maturity
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Quercus petraea (Sessile oak)

Other names: Durmast oak, Quercus sessiliflora, Cornish oak

Q. petraea is a large, broad, rounded to spreading, deciduous tree with ridged, grey bark and yellow-stalked, leathery, ovate or oblong, lobed, dark green leaves turning orange-brown in autumn. Insignificant dull yellow flowers in spring are followed by stalkless, oblong to ovoid, brown acorns, borne singly or in clusters in autumn.
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Ultimate spread 20m
max. spread
Ultimate height 30m
max. height
Time to ultimate size 20-50 years
to maturity
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Quercus coccinea (Scarlet oak)

Q. coccinea is a rounded, deciduous tree with plated, pale grey-brown bark and glossy, elliptic, deeply lobed, mid-green leaves with bristle-tipped teeth and turning bright red in autumn. Rounded acorns are half-covered in a bowl-shaped cap.
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Ultimate spread 15m
max. spread
Ultimate height 20m
max. height
Time to ultimate size 20-40 years
to maturity
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Quercus robur (Common oak)

Other names: Pedunculate oak, Polish oak, Slavonian oak, English oak, Black oak, French oak

Q. robur is a large deciduous tree forming a broad crown of rounded leaves which turn reddish-brown in autumn and inconspicuous yellow-green catkins in spring followed by characteristic acorns.
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Ultimate spread 12m
max. spread
Ultimate height 15m
max. height
Time to ultimate size 20-50 years
to maturity
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Quercus palustris (Pin oak)

Other names: Swamp Spanish oak

Q. palustris is a large, vigorous, broadly conical, deciduous tree with pendent lower branches, elliptic, glossy, deeply lobed, mid-green leaves turning scarlet to reddish-brown in autumn. Inconspicuous flowers in spring are followed by spherical, brown fruit in autumn.
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Ultimate spread 12m
max. spread
Ultimate height 20m
max. height
Time to ultimate size 20-50 years
to maturity
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Quercus agrifolia (California live oak)

Other names: Coast live oak, Encina

Q. agrifolia is a dense, spreading, evergreen tree with ridged, grey bark, oval, convex, spiny-toothed, glossy, dark green leaves and slender, ovoid, pointed acorns enclosed by a cap with thin, overlapping scales.
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Ultimate spread 10m
max. spread
Ultimate height 10m
max. height
Time to ultimate size 20-50 years
to maturity
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Quercus alba (American white oak)

Other names: White oak

Q. alba is a spreading, deciduous tree with exfoliating, pale grey to brown bark and oblong or elliptic, deeply lobed, dark green leaves, pink-flushed when young and turning reddish-purple in autumn. Insignificant flowers are followed by oblong to ovoid acorns.
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Ultimate spread 25m
max. spread
Ultimate height 25m
max. height
Time to ultimate size 50-100 years
to maturity
Add to my lists


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