Trees by Genus

Genus 'Quercus'

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Quercus agrifolia
Quercus alba
Quercus bicolor
Quercus canariensis
Quercus castaneifolia
Quercus cerris
Quercus chrysolepis
Quercus coccinea
Quercus dentata
Quercus frainetto
Quercus glauca
Quercus x hispanica
Quercus ilex
Quercus imbricaria
Quercus kelloggii
Quercus laurifolia
Quercus x leana
Quercus libani
Quercus x ludoviciana
Quercus macranthera
Quercus macrocarpa
Quercus marilandica
Quercus myrsinifolia
Quercus nigra
Quercus palustris
Quercus petraea
Quercus phellos
Quercus pontica
Quercus prinus
Quercus pubescens
Quercus pyrenaica
Quercus pyrenaica 'Pendula'
Quercus robur
Quercus robur cv. 'Filicifolia'
Quercus robur forma purpurascens
Quercus rubra
Quercus schumardii
Quercus suber
Quercus trojana
Quercus x turneri
Quercus velutina

Quercus alba (White Oak)

No sample available

Native: Central and eastern North America

Height to 30m, sometimes more at altitudes to 1400m, but at this altitude is a low bush

Foliage

The leaves grow up to 12.5-22.5cm long, the upper surface is dark glossy green, the lower downy at first. When they open they are tinted a violet colour and turn deep red in autumn, often staying on the tree all winter.

Flowers

Quercus alba

Flowers appear with the young leaves at the end of May.

Fruits

Quercus alba

The acorns are 1.8cm long, usually sessile but not always, and fall in early October.