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Pedunculate oak

Quercus robur


Q. robur is phenologically and genetically very similar to Q. petrea and both species can form hybrids. However, the leaves of Q. robur have a very short stalk (3-8 mm), whereas the acorns are clustered around a long stalk. In contrast, the leaves of Q. petraea have comparably long stalks.


Q. robur: lowland or riparian forest Q. petraea: hilly terrain and low mountain ranges

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Gutsbezirk Reinhardswald, Hessen, Germany

Lat: 51.47, Long: 9.60

Spotted on Jun 10, 2009
Submitted on Mar 28, 2012

Spotted for mission

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