Hazelnut (Corylus avellana), commonly referred to as cobnut or European filbert, is a deciduous, multi-stem, brush-like sucker shrub that usually reaches a height of 12 to 20 feet.

Hazelnut Flowers

It is native to North Africa, Western Asia, and Europe, usually found along streams and in hedgerows, wooded slopes, woodland borders, and rich thickets. Corylus is a genus in the Betulaceae family. Currently, more than 15 species[1] are classified in the Corylus genus.

Corylus Avellana

Monoecious blooms (separate female and male blooms on the same plant) flower on bare branches from March to April (late winter to early spring) before the leaves sprout.

European Filbert

The pale gray-yellow, somewhat conspicuous male flowers appear on hanging, stalk-less catkins (2 to 3 cm long). The inconspicuous female blooms with red stigmas flower above the male catkins.

Hazelnut Flowers

The leaves are doubly serrated, elliptical to ovoid to circular, medium green in color (up to 4″long), rounded to heart-shaped at the base, and primarily hairy.

Hazelnut Tree Flowers

Suggested Reading: 8 Classifications of Flowers

Cite This Page

BioExplorer.net. (2024, February 21). Hazelnut. Bio Explorer. https://www.bioexplorer.net/plants/flowers/hazelnut/.
BioExplorer.net. "Hazelnut" Bio Explorer, 21 February 2024, https://www.bioexplorer.net/plants/flowers/hazelnut/.
BioExplorer.net. "Hazelnut" Bio Explorer, February 21 2024. https://www.bioexplorer.net/plants/flowers/hazelnut/.
Key References
  • [1]“Types of Hazelnuts”. Accessed November 08, 2021. Link.


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