Search Results for "quercus"

Quercus chapmanii (Chapman's oak)

Other names: Quercus obtusiloba var. parvifolia

Q. chapmanii is a variable, upright, deciduous to semi-evergreen shrub or small tree with oblong to obovate, unlobed or shallowly lobed, glossy, dark green leaves, paler beneath, and yellow, male flower catkins in late winter and early spring followed by ovoid, green acorns turning brown when mature.
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5m max. spread

9m 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 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

20-50 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 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 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

20-50 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

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 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 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