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 petraea (Sessile Oak)

Quercus petraea

Also known as: Durmast Oak

Native: Europe, west Asia

This and Quercus robur are the common British oaks. Height to 30m but can grow taller. Very long lived.


Leaves have a stalk whereas the Quercus robur has sessile leaves, they are 7.5-12.5cm long.


Quercus petraea

Flowers appear in May, the females are in the leaf axils on the end of the new shoot.


Quercus petraea

Acorns are sessile which is the main difference between this oak and Quercus robur where the acorns are on long stalks. The acorns grow as much as 3cm long, with more scales on the cup than on the Quercus robur.