Basisdaten
description:
This alder is widespread and based in Alaska, North America and Western Canada.
Tree profile
name botanical:
Alnus rubra
other name:
Oregon Alder
family:
birch family (Betulaceae)
species:
deciduous tree
height:
up to 30 m (99 ft)
leaf:
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.
leaf shape:
ovoid
leaf margin:
serrated
leaf position:
alternate
fall foliage:
yellow
flowering:
March - April
blossom color:
yellowish
blossom description:
The male flowers (catkins) are strikingly long, the female flowers are often upright.
fruit:
The cones become woody , first they are green and later dark brown to black.
branches:
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
usage:
pioneer plant
Alders additional information
overview leaves | overview blossoms
overview fruit | overview trunk
overview winter | overview trees