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Pedunculate Oak

 
Pedunculate Oak in early May
 
 
 
Male catkins 
 
 
Male flowers on catkins
 
 
Close-up of a male flower - stamens
 
 
Female flowers at the end of a twig, in the axils of leaves
 
 
Close-up of female flowers - 3 fleshy stigmas
 
 
Side view of single female flower - thick style
 
 
Female flowers become dark red after a few days
 
 
Extending flower stem - the peduncle
 
 
Developing acorns on a peduncle - remains of stigmas
 
 
 
Acorns on long peduncles
 
 
Leaf - no stalk, lobed, recurved lower lobes
 
 
Trunk of old tree
 
 
Close-up of fissured bark with lichens
 
 
Knopper gall on developing acorn
 
 
Galls on male catkins
 
 
Oak apples
 
 
Marble galls