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 robur (English Oak)

Quercus robur

Also known as: Peduculate Oak

Native: Europe including Britain, east Russia, southwest Asia, north Africa

This is the most common of the two native British oaks and is extremely long lived, possibly up to 800 years or more. Valuable for timber, especially in the past when much of Britain was covered in oak forests. Height to more than 30m.

Foliage

Leaves 10-12.5cm are sessile.

Flowers

Quercus robur

Flowers in May, the female flowers can be seen on the end of the new growth.

Fruits

Quercus robur

Acorns are on long stalks or peduncles, hence the alternative common name which separates it from Quercus petraea, the Sessile Oak. The acorns are 1.8-3cm long and fall in October.