Other common names:
Gray Alder, Hoary Alder, Tag Alder|
Birch Family (Betulaceae)
Shrub; Prominent lenticels (speckles) scattered all over the bark.
European Black Alder (Alnus glutinosa) - leaves are roundish and indented at the tips.
Green Alder (Alnus viridis) - leaves are not double-toothed.
Alder-leaved Buckthorn (Rhamnus alnifolia) - not an Alder.
Alternate, Simple, Toothed; Roundish, alternate, toothed.
Up to 6 m (20 ft)
Prominent lenticels (speckles) scattered all over the bark.
Wet Areas; Wet areas, along stream banks.
Trees in Canada: 300
Easily confused with European Black Alder (Alnus glutinosa).
Origin and Meaning of Names:
Scientific Name: incana: grey
Alder: The Nitrogen Fix, from The Monday Garden, by Sue Sweeney
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Range Map is at the bottom of the page