01 Alnus Water NDFF Verspreidingsatlas

Erik 

Black Alder, Alnus glutinosa 

The Alnus glutinosa (Black Alder) is native to almost all of Europe and mainly grows in moist areas. The tree can reach a height of 20 to 25 meters and is known for its alder cones and black-grey bark. In early spring, yellow catkins appear, marking the beginning of a new season.

The alder is a symbol of life and death. While other trees struggle in wet soil, the black alder thrives in it. Its wood was traditionally used for building foundations and bridges, and remains strong when submerged in water.

A Black Alder is monoecious, meaning that it produces both male catkins (yellow) and female fruits (reddish-brown) during the flowering season. The alder cones attract birds, such as siskins, and insects are also drawn to its blooms.

01 Alnus Katjes Flora Van Nederland
01 Alnus Bloei Nature Today


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