Hazels are plants of the genus Corylus of deciduous trees and large shrubs native to the temperate Northern Hemisphere.

Corylus Species: americana Family: Betulaceae Uses (Ethnobotany): Nuts are similar in flavor to the European filbert, and may be roasted and eaten or ground into flour, but are also commonly left for the squirrels and birds. Life Cycle: Perennial Woody Recommended Propagation Strategy: Seed Country Or Region Of Origin: United State and Canada ...

Corylus avellana, the common hazel, is a species of flowering plant in the birch family Betulaceae. The shrubs usually grow 3–8 metres (10–26 feet) tall. The nut is round, in contrast to the longer filbert nut. Common hazel is native to Europe and Western Asia. …

Corylus avellana, commonly called European filbert, European hazelnut or cobnut, is a deciduous, thicket-forming, multi-trunked, suckering shrub that typically grows to 12-20’ tall. It is native to Europe, western Asia and northern Africa where it is typically found growing in rich thickets, woodland borders, wooded slopes, hedgerows ...

Corylus avellana is a large deciduous shrub that is commonly known as the European Hazel. It is native to the British Isles, Western Asia, and as far south as the Iberian Peninsula. It is famous along with other species of the genus Corylus for its production of hazelnuts (cobnuts) though avellana is the most commonly used for production. It ...

Deciduous shrub/tree, 12-20 ft (3.7-6 m), rounded crown, erect shoots, and produces many suckers. Leaves alternate, simple, broad, roundish, 7.5-10 cm long. Greenish yellow male flowers (catkins) hang on all winter, are yellowish as they release pollen in early winter.

Corylus avellana (European Hazelnut) is a large, spreading deciduous shrub or small tree of upright habit with a rounded head. The foliage of rounded, doubly serrate, medium green leaves, 4 in. long (10 cm), turns yellow in fall.

Corylus is the only genus in the family Betulaceae to rely on animals rather than wind as the principle agency for transporting its seeds. The nuts are consequently the largest in the family, and can be packed with nutrients to give the germinating sapling maximum advantage.