[Filberts and Hazelnuts West of the Cascade Mountains of Oregon and Washington]

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

Corylus avellana

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

Male catkins of common filbert as seen along the Springwater Trail east of Gresham, OR...............February 3, 2012.

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

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. The clusters contain two to five, or occasionally six catkins in this species. The similar California filbert generally has one or two catkins per cluster.

Female flower of Common Filbert, European Hazel, European Hazelnut, Filbert, Hazelnut: Corylus avellana - Female flower of Common Filbert, European Hazel, European Hazelnut, Filbert, Hazelnut: Corylus avellana

Female flower above male catkins of Common Filbert, European Hazel, European Hazelnut, Filbert, Hazelnut: Corylus avellana - Female flower at the base of several male catkins of Common Filbert, European Hazel, European Hazelnut, Filbert, Hazelnut: Corylus avellana

Female flowers (see cluster of red stigmas at the base of the male catkins) of common filbert as seen along the Springwater Trail east of Gresham, OR...............February 3, 2012.


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.

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