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Search Results for "quercus"


Quercus acutissima (Sawtooth oak)

Other names: Sawthorn oak, Japanese silkworm oak

Q. acutissima is a rounded, deciduous tree with fissured, corky, grey to black bark and ovate to lance-shaped, glossy, mid-green leaves with bristle-tipped teeth. Ovoid acorns are borne in cups covered with long, slender, hairy scales.
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Ultimate spread 20m
max. spread
Ultimate height 20m
max. height
Time to ultimate size 20-50 years
to maturity
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Quercus chrysolepis (Canyon oak)

Other names: Maul oak, Golden cup oak, Canyon live oak, Californian live oak

Q. chrysolepis is a spreading, evergreen tree or shrub with scaly, whitish-grey or red-flushed bark, ovate to elliptic, spiny-toothed, leathery, glossy, mid- to dark green leaves, grey- or yellow-hairy beneath, and oblong to ovoid, sharp-tipped acorns in felted cups.
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Ultimate spread 10m
max. spread
Ultimate height 20m
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 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 rubra (Red oak)

Other names: American red oak

Q. rubra is a large, broad, deciduous tree with deep green leaves in summer and red autumn colour. It has red-brown fruits called acorns.
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Ultimate spread 20m
max. spread
Ultimate height 25m
max. height
Time to ultimate size 20-40 years
to maturity
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Quercus phellos (Willow oak)

Q. phellos is a large deciduous tree forming a dense oblong crown of simple long leaves and inconspicuous yellow-green catkins in spring followed by small 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 kelloggii (Californian black oak)

Other names: California black oak, Kellogg oak

Q. kelloggii is a rounded, deciduous tree with cracked, dark brown bark, elliptic, glossy, dark green leaves with bristle-tipped lobes. Leaves turn red, yellow, and orange in autumn as oblong to ovoid, green acorns ripen brown.
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Ultimate spread 15m
max. spread
Ultimate height 20m
max. height
Time to ultimate size 50-100 years
to maturity
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Quercus macrocarpa (Bur oak)

Other names: Burr oak, Mossy cup oak, Mossy-cupped white oak

Q. macrocarpa is a slow-growing, spreading, deciduous tree with ridged, dark brown bark and oblong to ovate, glossy, dark green leaves with deep, irregular lobes, white-hairy beneath. Catkins of insignificant, yellow-green flowers in spring are followed by ovoid acorns with large, fringed cups.
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Ultimate spread 10m
max. spread
Ultimate height 15m
max. height
Time to ultimate size 50-100 years
to maturity
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Quercus garryana (Oregon oak)

Other names: Oregon white oak, Garry oak

Q. garryana is a rounded, deciduous tree with cracked, pale grey bark, oblong to ovate, glossy, deeply lobed, dark green leaves and ovoid, edible acorns.
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Ultimate spread 10m
max. spread
Ultimate height 10m
max. height
Time to ultimate size 50-100 years
to maturity
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Quercus mongolica (Mongolian oak)

Q. mongolica is a spreading, deciduous tree with rough, black-brown bark and oblong to ovate, dark green leaves with rounded lobes. Catkins of insignificant, yellow-green or dull red flowers in late spring and early summer are followed by ovoid, pale brown acorns with scaly, thick caps.
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Ultimate spread 15m
max. spread
Ultimate height 20m
max. height
Time to ultimate size 50-100 years
to maturity
Add to my lists


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