Corylus avellana L.
(Hazel)

Taxonomic hierarchy:
SpeciesCorylus avellana (Hazel)
GenusCorylus (hazels)
FamilyBETULACEAE (birches, hazels, hornbeams and alders)
OrderFAGALES (forest trees)
SubclassEU-DICOTS (dicotyledonous flowering plants)
ClassMAGNOLIOPSIDA (flowering plants)
PhylumTRACHEOPHYTA (vascular plants)
KingdomPLANTAE (plants)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Corylus avellana (Hazel) :
1: Corylus avellana (Hazel)
25 Mar 2016 OSGR: SU00 50° 50’ N, 1° 60’ W Vice County: Dorset (VC 9) England
in catkin (one of the last with pollen) . Photos: pollen
Image 1: CatkinsImage 2: Catkins (2)Image 3: Catkins (3)Image 4: Catkins (4)Image 5: Pollen - magnified - white backgroundImage 6: Pollen - magnified - white background (2)Image 7: Pollen - magnified - white background (3)Image 8: Pollen - magnified - white background (4)Image 9: Pollen - magnified - white background (5)Image 10: Pollen - magnified - white background (6)Image 11: Pollen - magnified - white background (7)Image 12: Pollen - magnified - white background (8)Image 13: Pollen - magnified - white background (9)Image 14: Pollen - outline focus - magnified - white backgroundImage 15: Pollen - surface focus - magnified - white background
2: Corylus avellana (Hazel)
7 Jan 2010 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
snow-covered winter trees
Image 1: Snow-covered winter tree - in cloudImage 2: Snow-covered winter tree - in cloud (2)Image 3: Snow-covered winter tree - in sunshineImage 4: Snow-covered winter tree - in sunshine (2)
3: Corylus avellana (Hazel)
22 Apr 2006 OSGR: SY59 50° 50’ N, 2° 40’ W Vice County: Dorset (VC 9) England
nuts eaten by wood mice
Image 1: Nut eaten by wood mouse - enlargedImage 2: Nut eaten by wood mouse - enlarged (2)Image 3: Nut eaten by wood mouse - enlarged (3)Image 4: Nut eaten by wood mouse - enlarged (4)Image 5: Nut eaten by wood mouse - enlarged (5)Image 6: Nut eaten by wood mouse - enlarged (6)Image 7: Nut eaten by wood mouse - enlarged (7)Image 8: Nut eaten by wood mouse - enlarged (8)Image 9: Nut eaten by wood mouse - enlarged (9)Image 10: Nut eaten by wood mouse - enlarged (10)Image 11: Nut eaten by wood mouse - enlarged (11)
4: Corylus avellana (Hazel)
22 Apr 2006 OSGR: SY59 50° 50’ N, 2° 40’ W Vice County: Dorset (VC 9) England
nut eaten by Bank Vole
Image 1: Nut eaten by Bank Vole - enlarged
5: Corylus avellana (Hazel)
26 Feb 2000 OSGR: SU36 51° 20’ N, 1° 30’ W Vice County: Berks (VC 22) England
Image 1: CatkinsImage 2: Tree in catkin
6: Corylus avellana (Hazel)
20 Feb 2000 OSGR: SU88 51° 30’ N, 0° 50’ W Vice County: Berks (VC 22) England
Image 1: CatkinsImage 2: Tree with catkins
7: Corylus avellana (Hazel)
29 May 1999 OSGR: SU56 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
Image 1: Leaf base - top view - close-up - black backgroundImage 2: Leaf spray - top view - white backgroundImage 3: Leaf spray - underside - white backgroundImage 4: Leaf tip - top view - close-up - black backgroundImage 5: Leaf - top view - black backgroundImage 6: Leaf - underside - black backgroundImage 7: Leaf - underside - close-upImage 8: Leaf - underside - close-up - black backgroundImage 9: Leaf - underside - close-up - black background (2)
8: Corylus avellana (Hazel)
31 Jan 1999 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
Image 1: PollenImage 2: Pollen (2)Image 3: Pollen (3)Image 4: Pollen (4)
9: Corylus avellana (Hazel)
27 Jan 1999 OSGR: SU56 51° 20’ N, 1° 20’ W Vice County: Berks (VC 22) England
Image 1: Stigmas - side viewImage 2: Stigmas - top view
10: Corylus avellana (Hazel)
31 Jan 1998 OSGR: SU57 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
Image 1: Female catkinsImage 2: Male and female catkins - pale backgroundImage 3: Male catkin - just starting to open - grey backgroundImage 4: Male catkins - close-up - grey backgroundImage 5: Male catkins - grey backgroundImage 6: Male catkins - grey background (2)Image 7: Male catkins - grey background (3)Image 8: Terminal buds
11: Corylus avellana (Hazel)
2 Oct 1997 OSGR: SU67 51° 30’ N, 1° 0’ W Vice County: Berks (VC 22) England
Image 1: Autumn leaf spray with male catkin budsImage 2: Male catkin buds - white backgroundImage 3: Male catkin buds - white background (2)
12: Corylus avellana (Hazel)
28 Feb 1976 OSGR: SU82 51° 0’ N, 0° 40’ W Vice County: West Sussex (VC 13) England
Image 1: Catkins - male
13: Corylus avellana (Hazel)
21 Jul 1971 OSGR: TQ21 50° 50’ N, 0° 10’ W Vice County: East Sussex (VC 14) England
Image 1: BushImage 2: Hazel nuts - unripe - close-up
14: Corylus avellana (Hazel)
22 Mar 1969 OSGR: TQ21 50° 50’ N, 0° 10’ W Vice County: East Sussex (VC 14) England
Image 1: Catkin - femaleImage 2: Catkins - female (top) and male (below)

Identification Works

AuthorYearTitleSource
Sell, P. 1980 Hazels in Cambrigeshire Nature in Cambridgeshire Vol 23: 50-53.

Corylus avellana (Hazel) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Corylus avellana (Hazel)
BioInfoBioInfo (www.bioinfo.org.uk) has 108 host/parasite/foodplant and/or other relationships for Corylus avellana (Hazel)
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