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Quercus petraea, commonly known as the sessile oak, [3] Cornish oak, [4] Irish oak or durmast oak, [5] is a species of oak tree native to most of Europe and into Anatolia and Iran. The sessile oak is the national tree of Ireland , [ 6 ] and an unofficial emblem in Wales [ 7 ] and Cornwall .
The common spangle gall on the underside of leaves and the currant gall on the male catkins or occasionally the leaves, develop as chemically induced distortions on pedunculate oak (Quercus robur), or sessile oak (Quercus petraea) trees, caused by the cynipid wasp [1] Neuroterus quercusbaccarum which has both agamic and bisexual generations.
Most species in the list are officially designated. Some species hold only an "unofficial" status. Additionally, ... Sessile oak: Quercus petraea [43]
The oak appeared in the forest around 9,000 years ago, during the Boreal period. As the climate warmed and cooled, the role of the oak fluctuated. Ultimately, its presence stabilized around 500 BCE. [46] Currently, there are two species of oak – the pedunculate oak and the sessile oak. The pedunculate oak has fruits on long stalks, while the ...
Species Girth Location References and notes Meters Feet Marton Oak: Sessile oak (Quercus petraea) 14.02–14.4 46.0–47.2 Marton, Cheshire: The Marton Oak is the current UK champion for girth, [5] although is not very well known and is at the end stage of its life. The tree split into three enormous pieces centuries ago, but is still ...
Niel Gow's Oak is a sessile oak (Quercus petraea) located near to the towns of Dunkeld and Birnam, Scotland, [1] which is around 300 years old. [2] It lies within the Craigvinean Forest on the south bank of the River Tay. It accessible by the public and lies on the Inver Walk public footpath, part of the Dunkeld Path Network. [3]
The oak forests of the Balearic Islands are also rich, and incorporate characteristic species of the islands, such as the Balearic cyclamen (Cyclamen balearicum Willk. Towards the interior of the peninsula, these forests become progressively more scarce: as the continental characteristics of the climate become stronger, the species most ...
Liebl. – sessile oak, durmast oak – Europe, Anatolia. Quercus petraea subsp. polycarpa (Schur) Soó - Georgian oak - Austria to Iran and the Caucasus; Quercus petraea subsp. pinnatiloba (K.Koch) Menitsky - Lebanon-Syria, Turkey, South Caucasus; Quercus polymorpha Schltdl. & Cham. – Monterrey oak, Mexican white oak – # Mexico and extreme ...