Hazelnut or Fibert:Corylus avellana L.
The hazelnut belongs to the Betulaceae or Birch family, along with other important forest tree species and ornamentals: Betula (Birch), Alnus (Alder, N-fixing trees), Carpinus (Hornbeam, landscape tree), Ostrya (Hophornbeam or Ironwood, landscape tree). Corylus avellana L. is one of 7-20 recognized species in the genus, all of which produce edible nuts which are collected from the wild by humans and are important sources of food for wildlfe. The name "Hazel" comes from the Anglo-Saxon word for bonnet, "Haesel"; this probably derives from the greek "korys" (as in Corylus), for helmet or hood. The term "filbert" may have derived from "full beard", descriptive of the long, leafy husk.
Hazelnut Cultivars: All cultivars are wild selections. The primary cultivars differ for each production region:
Turkey - 'Tombul'
Italy - 'Tonda Gentile della Langhe'
Spain - 'Negreta'
US - 'Barcelona' [85% of production]. Pollinizers = 'Daviana', 'DuChilly', 'Butler'
C. americana - American filbert, shrub, Eastern US. (wildlife).
C. cornuta - Beaked filbert, stoloniferous shrub, central US to west coast (wildlife).
C. ferox - Tibetan hazel, small tree, high altitude species.
C. colurna - Turkish hazel tree, large tree, ornamental, rootstock, wild nut species.
C. jacquemontii - Indian hazel tree, smaller version of C. colurna.
C. chinensis - Chinese hazel tree, large subtropical tree, ornamental and timber species.
- 1.Hazelnut or Fibert:Corylus avellana L.
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