Search Results for "quercus"

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 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 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

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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10m max. spread

10m max. height

20-50 years to maturity

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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10m max. spread

20m max. height

20-50 years to maturity

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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20m max. spread

25m max. height

20-40 years to maturity

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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12m max. spread

15m max. height

20-50 years to maturity