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Search Results for "quercus"


Quercus mongolica subsp. crispula (Mongolian oak)

Other names: Quercus mongolica var. grosseserrata

Q. mongolica subsp. crispula is a spreading, deciduous tree with rough, black-brown bark and narrowly oblong to narrowly 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 16.5m
max. spread
Ultimate height 18m
max. height
Time to ultimate size 50-100 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 virginiana (Southern live oak)

Other names: Virginia live oak, Bay live oak, Scrub live oak, Plateau oak, Plateau live oak, Escarpment live oak, Encino, Coastal live oak

Q. virginiana is a tender, variable, spreading, semi-evergreen tree with stiff, leathery, glossy, elliptic to narrowly ovate, dark green leaves and catkins of green flowers followed by small, oblong, glossy, dark brown fruit.
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Ultimate spread 25m
max. spread
Ultimate height 20m
max. height
Time to ultimate size 50-100 years
to maturity
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Quercus bicolor (Swamp white oak)

Q. bicolor is a spreading, deciduous tree with peeling, fissured, grey-brown bark and oblong to ovate, shallowly lobed, glossy, dark green leaves, white-hairy beneath when young and yellow in autumn. Oblong to ovoid acorns are enclosed by one-third in rounded caps with hairy scales.
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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 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 suber (Cork oak)

Other names: Cork tree

Q. suber is a half-hardy, rounded, evergreen tree with thick, ridged, corky bark and ovate to oblong, toothed, rigid, glossy, dark green leaves, grey-hairy beneath. Small catkins of insignificant yellow-green flowers in spring are followed by ovoid to oblong acorns.
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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 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 engelmannii (Mesa oak)

Other names: Mesa live oak, Engelman oak, Pasadena oak

Q. engelmannii is a borderline hardy, spreading, deciduous to semi-evergreen tree with thick, leathery, oval to oblong, dull blue-green leaves and insignificant, pale yellow flowers in spring followed by ovoid to cylindrical, round-tipped acorns, half-enclosed with a warty cap.
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Ultimate spread 30m
max. spread
Ultimate height 15m
max. height
Time to ultimate size 50-100 years
to maturity
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Quercus prinoides (Dwarf chinkapin oak)

Other names: Dwarf chinquapin oak, Dwarf chestnut oak, Scrub chestnut oak

Q. prinoides is a spreading, deciduous shrub or small tree with leathery, oblong to lance-shaped, toothed or shallowly lobed, glossy, dark green leaves, pale green beneath. Solitary or paired, oblong to ovoid, green acorns, with a cup enclosing about half, ripen dark brown in autumn.
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Ultimate spread 6m
max. spread
Ultimate height 6m
max. height
Time to ultimate size 50-100 years
to maturity
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