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 suber (Cork Oak)

Quercus suber

Native: West Mediterranean countries

Location: Found in collections and now grown for its bark in California and other southern states.

The remarkable feature of this oak is the thick cork bark. in Spain and Portugal it is stripped off every ten years to provide most of the world's cork. In its native environment is often small and stunted.


Leaves are dark glossy green above and clothed in grey felt below, 2.5-6.2cm long.


Quercus suber

Flowers are found at the end of May or beginning of June, the females are in lead axils of the new growth.


Quercus suber

Acorns form in one year and fall in October, 1.2-3cm long.