E-Flora BC: Electronic Atlas of the Flora of British Columbia

Corylus avellana L.
filbert (common filbert; hazelnut)
Betulaceae (Birch family)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #86823)

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Distribution of Corylus avellana
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Species Information

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Deciduous shrub, 1-5 m tall with many stems, densely clumped or spreading by suckers; twigs hairy, glandular.
Alternate, deciduous, elliptic to oval, leaf blades heart-shaped with sharp-pointed tips, doubly saw-toothed, paler below than above, 5-10 cm long, turning yellow in the fall.
Male flowers in catkins appearing before the leaves in spring; female flowers in a very small catkin with protruding red stigmas.
Edible, hard-shelled nuts not completely enclosed by thinly downy, lacerated bractlets, in 2's or 3's at the ends of the branches.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist meadows and thickets in the lowland zone; rare on Saltspring Island and in the Lower Fraser Valley; introduced from Europe.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

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General References