Search Results for "quercus"

Lithocarpus edulis (Japanese stone oak)

Other names: Pasania edulis , Quercus edulis, Quercus glabra, Quercus laevigata, Japanese tanbark oak, Japanese false oak

L. edulis is a rounded to broadly spreading evergreen tree with oblong, veined, glossy, leathery, dark green leaves and erect spikes of pale yellow-green flowers in spring are followed by orange-brown acorns.
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8m max. spread

10m max. height

20-50 years to maturity

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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12m max. spread

20m max. height

20-50 years to maturity

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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15m max. spread

20m max. height

20-50 years to maturity

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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12m max. spread

15m max. height

20-50 years to maturity

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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12m max. spread

15m max. height

20-50 years to maturity

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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20m max. spread

20m max. height

20-50 years to maturity

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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20m max. spread

30m max. height

20-50 years to maturity

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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25m max. spread

30m max. height

20-50 years to maturity

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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15m max. spread

20m max. height

20-40 years to maturity

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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20m max. spread

20m max. height

20-50 years to maturity