[Filberts and Hazelnuts: The Genus Corylus in the Columbia River Gorge of Oregon and Washington]

Common Filbert, European Hazel, European Hazelnut, Filbert, Hazelnut

Corylus avellana

Common Filbert, European Hazel, European Hazelnut, Filbert, Hazelnut: Corylus avellana

Common filbert as seen in bloom along the Springwater Trail east of Rugg Road in Clackamas County, Oregon.......January 30, 2012.

Close-up of the pollen catkins of Common Filbert, European Hazel, European Hazelnut, Filbert, Hazelnut: Corylus avellana - Lateral bud of Common Filbert, European Hazel, European Hazelnut, Filbert, Hazelnut: Corylus avellana - Male catkins of Common Filbert, European Hazel, European Hazelnut, Filbert, Hazelnut: Corylus avellana

Close-ups of the male catkins in flower and a lateral bud of common filbert as seen along the Springwater Trail east of Rugg Road in Clackamas County, Oregon........January 30, 2012.

Male catkins of Common Filbert, European Hazel, European Hazelnut, Filbert, Hazelnut: Corylus avellana. - Male catkins of Common Filbert, European Hazel, European Hazelnut, Filbert, Hazelnut: Corylus avellana

Lateral bud of Common Filbert, European Hazel, European Hazelnut, Filbert, Hazelnut: Corylus avellana - Terminal bud of Common Filbert, European Hazel, European Hazelnut, Filbert, Hazelnut: Corylus avellana.

Close-ups of the male catkins as they begin to open and lateral and terminal buds of the common filbert as seen along the Springwater Trail near Powell Butte in west Gresham, Oregon........January 3, 2012.
Paul Slichter