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Leaves of Corylus avellana
Scientific classification
Kingdom Information
Kingdom Plantae
Division Information
Division Magnoliophyta
Class Information
Class Magnoliopsida
Order Information
Order Fagales
Family Information
Family Betulaceae
Genus Information
Genus Corylus
Species Information
Species See article
Population statistics

The Hazel is a member of the birch family of trees, Betulaceae, and can grow to a height of 30 feet. Typically it has a number of shoots or trunks branching out at ground level, which has led to some people referring to it as a bush as it doesn't meet the strict definition for a tree of having a single stem unbranched near the ground. This ability to produce multiple stems gives it a dense, spreading appearance and has led to it being used extensively for coppicing. Usually living for between 50 and 70 years, if it is coppiced it will live much longer, up to several hundred years.


  • Corylus americanaAmerican Hazel. North America.
  • Corylus avellanaCommon Hazel. Europe and western Asia.
  • Corylus chinensisChinese Hazel. China.
  • Corylus colchicaColchican Filbert. Caucasus.
  • Corylus colurnaTurkish Hazel. Southeastern Europe and Asia Minor.
  • Corylus cornutaBeaked Hazel. North America.
  • Corylus fargesiiFarges' Hazel. China.
  • Corylus feroxHimalayan Hazel. Himalaya, Tibet and China.
  • Corylus heterophyllaAsian Hazel. Asia.
  • Corylus jacquemontiiJacquemont's Hazel. Himalaya.
  • Corylus maximaFilbert. Southeastern Europe and southwest Asia.
  • Corylus sieboldianaAsian Beaked Hazel. Northeastern Asia and Japan
  • Corylus wangiiWang's Hazel. Southwest China.
  • Corylus yunnanensisYunnan Hazel. China.