name botanical:Alnus rubra
other name:Oregon Alder
family:birch family (Betulaceae)
height:up to 30 m (99 ft)
The leaves are ovate, pointed, and is about 15 cm (5.9 in) long. The leaf margin is serrated and the leaf arrangement is alternate.
flowering:March - April
The male flowers (catkins) are strikingly long, the female flowers are often upright.
The cones become woody , first they are green and later dark brown to black.
The branches are red-brown, the buds are reddish brown, narrow and pointed. The lateral buds stick out.
bark:The bark is smooth and reddish brown with lenticels and just slightly cracked with age.
root:heart-rooting to shallow-rooting, spreading roots
location:sun to half-shade
soil:sandy to loamy
Alders additional information
overview leaves | overview blossoms
overview fruit | overview trunk
overview winter | overview trees