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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 Queen Elizabeth Oak is a large sessile oak tree (Quercus petraea) in Cowdray Park near the village of Lodsworth in the Western Weald, West Sussex, England. It lies within the South Downs National Park. It has a girth of 12.5–12.8 metres (41–42 ft), [1] and is about 800–1,000 years old. According to this estimate it began to grow in ...
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 ...
Currently, there are two species of oak – the pedunculate oak and the sessile oak. The pedunculate oak has fruits on long stalks, while the sessile oak has very short stalks, giving the impression of no stalks. The leaves of the pedunculate oak have a lobed base, whereas those of the sessile oak have a wedge-shaped base.
Image credits: Detroit Photograph Company "There was a two-color process invented around 1913 by Kodak that used two glass plates in contact with each other, one being red-orange and the other ...
The Birnam Oak. The Birnam Oak is an example of Sessile oak (Quercus petraea) at Birnam, Perth and Kinross, Scotland (grid reference).Sometimes known as Macbeth's oak, as it is a relic of Birnam Wood, mentioned in William Shakespeare's play, the tree is found in a strip of woodland on the south bank of the River Tay. [1]