American hazelnut
American Hazelnut
American Hazelnut (Corylus americana), also known as American Filbert, is a species of hazelnut native to North America.
Pronunciation
American Hazelnut: /əˈmɛrɪkən ˈheɪzəlnʌt/
Etymology
The term "hazelnut" comes from the Old English hæsel hnutu. The word "hazelnut" is derived from the Old English hæsel, meaning a bonnet or cap, and hnutu, meaning nut, referring to the cap-like husk covering some nuts. The term "American" is added to distinguish it from other species of hazelnuts that are native to other parts of the world.
Description
The American Hazelnut is a deciduous shrub that typically grows to 2.5-5m tall. The leaves are rounded and have a double-serrate margin. The flowers are produced very early in spring before the leaves, and are monoecious, with single-sex wind-pollinated catkins. The fruit is a nut, produced in clusters of one to five together; each nut is enclosed in a husk which partly to fully encloses it.
Related Terms
- Deciduous: A term used to describe trees or shrubs that shed their leaves annually.
- Monoecious: A term used in botany to describe a single plant that bears both male and female flowers.
- Catkins: A slim, cylindrical flower cluster, with inconspicuous or no petals.
- Nut (fruit): A fruit composed of a hard shell and a seed, which is generally edible.
See Also
- Corylus: The genus to which the American Hazelnut belongs.
- Hazelnut: A type of nut produced by the hazel tree.
External links
- Medical encyclopedia article on American hazelnut
- Wikipedia's article - American hazelnut
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