Search Results for "quercus"

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 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 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 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 frainetto 'Hungarian Crown' (Hungarian oak 'Hungarian Crown')

'Hungarian Crown' is a fast-growing tree with a large, rounded crown. It has good autumn colour.
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12m max. spread

15m max. height

20-50 Years to maturity

Quercus robur (Fastigiata Group) 'Koster' (Oak 'Koster')

Other names: Quercus robur 'Fastigiata Koster', Quercus robur f. fastigiata 'Koster', Quercus robur 'Kosteri Fastigiata', Cypress oak 'Koster', Pyramid oak 'Koster', Columnar oak 'Koster'

'Koster' is a narrowly columnar, somewhat variable, deciduous tree bearing ovate to oblong, dark green leaves with rounded, shallow lobes and inconspicuous yellow-green catkins in spring followed by ovoid acorns.
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3m max. spread

20m max. height

50-100 Years to maturity

Hydrangea quercifolia 'Snow Queen' (Oak-leaved hydrangea 'Snow Queen')

Other names: Hydrangea quercifolia 'Flemygea'

'Snow Queen' is a mound-forming, deciduous shrub with large, deeply lobed, mid-green leaves turning bronze and purple in autumn and, in summer, dense, conical panicles of white flowers turning pink with age.
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2m max. spread

2m max. height

5-10 years to maturity

Hydrangea quercifolia 'Snowflake' (Oak-leaved hydrangea 'Snowflake')

Other names: Hydrangea quercifolia 'Brido', Hydrangea quercifolia 'Flore Pleno', Hydrangea quercifolia 'Snow Flake'

'Snowflake' is a bushy, mound-forming, deciduous shrub bearing deeply lobed, toothed, dark green leaves turning purple-bronze in autumn and, from summer into autumn, arching, conical panicles of double, white flowers turning pink with age.
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2m max. spread

2m max. height

5-10 years to maturity