Oak
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An oak is a hardwood tree or shrub in the genus Quercus of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is wid
Quercus robur habit
Illustration of Q. lusitanica showing staminate (left) and pistillate flowers (right)
Catkins of Q. alba containing the staminate or 'male' flowers
Quercus cerris
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Quercus cerris, the Turkey oak or Austrian oak, is an oak native to south-eastern Europe and Asia Minor. It is the type species of Quercus sect. Cerris, a section of the genus characterised by shoot b
Mature Turkey oak at Hillersdon House, England
A Turkey oak coming into leaf
Hungarian oak-Turkey oak (Quercetum frainetto-cerris Rud) forest in the Balkans