Corylus avellana
Corylus avellana
Corylus avellana (pronunciation: /ˈkɔːrɪləs əˈvɛlənə/), commonly known as the hazel or common hazel, is a species of hazel native to Europe and western Asia. It is a deciduous shrub that can reach heights of up to 12 meters.
Etymology
The genus name Corylus is derived from the Greek word 'korys', meaning 'helmet', a reference to the protective husk that surrounds the nut. The species name avellana is derived from the town of Avella in Italy, a region known for its hazelnut production.
Description
Corylus avellana is characterized by its round, pale green leaves and small, yellow flowers known as catkins. The plant produces edible nuts, commonly referred to as hazelnuts, which are harvested in the autumn.
Medical Uses
The nuts of Corylus avellana are rich in vitamin E, fatty acids, and protein, making them a nutritious food source. They also contain phytosterols, compounds that have been shown to lower cholesterol levels. The oil extracted from hazelnuts is used in traditional medicine for its astringent and emollient properties.
Related Terms
- Corylus: The genus to which Corylus avellana belongs.
- Catkin: A type of flower found on Corylus avellana and other plants.
- Hazelnut: The nut produced by Corylus avellana.
- Phytosterols: Plant compounds found in hazelnuts that can lower cholesterol levels.
External links
- Medical encyclopedia article on Corylus avellana
- Wikipedia's article - Corylus avellana
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