common filbert Betulaceae Corylus
|Leaf: Alternate, simple, with a doubly serrated margin, broadly oval with a heart-shaped or rounded base, dark green and slightly pubescent above, pale pubescent below, 2 to 5 inches in length, petiole with stiff, glandular hairs.
Flower: Species is monoecious; males are light brown 2 to 3 inch catkins, usually in clusters of threes near branch tips, opening before leaves; females are inconspicuous with only bright red stigma and styles protruding from the otherwise gray-brown buds, appearing as short, thin, red threads, early spring.
Fruit: Edible brown nuts 3/4 inch diameter partially enclosed in a hairy, leaf-like husk with ragged edges; initially green, ripening to a brown in late summer.
Twig: Slender, zigzag, light brown, with numerous stiff, glandular hairs; buds blunt, rounded, with few scales, green changing to tan with brown scales wrapping the base of the bud.
Bark: Light grayish brown and smooth, later develops a mild criss-cross netted pattern.
Form: A large multi-stemmed shrub or small tree to 20 feet in height.
Looks like: Turkish hazel
- American hazel
- beaked hazel
| Additional Range Information:
Corylus avellana is planted in the USDA
hardiness zones shown above and is not known to widely escape
| External Links:
USDA Plants Database
|© Copyright 2016, Virginia Tech|
Dept. of Forest Resources
and Environmental Conservation,
all rights reserved.
Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson