European Black Alder
Alnus glutinosa |
Other common names:
Black Alder

French names:
Aulne glutineux

Family:
Birch Family (Betulaceae)

Group:
Alders

Distinctive features:
Shrub; Leaves roundish, usually indented at the tip; bark speckled.

Similar species:
Speckled Alder (Alnus incana) - very similar, often confused. Leaves are more pointed at the ends and are double-toothed.
Green Alder (Alnus viridis) - leaves are pointed at the ends.
Alder-leaved Buckthorn (Rhamnus alnifolia) - not an Alder.

Flowers:
Spring

Leaves:
Alternate, Simple, Toothed; Roundish.

Habitat:
Wet Areas, Bogs and Fens, Lakeshores, Pond Margins, Swamps, Shrub Swamps; Wet areas, and nearby wet areas.

Books:
Trees in Canada: 305

Native/Non-native:
Non-native

Status:
Locally common.

Notes:
Easily confused with Speckled Alder (Alnus incana). Can be invasive.

Origin and Meaning of Names:
Scientific Name: glutinosa: sticky

Photographs:
144 photographs available, of which 15 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.

Range Map is at the bottom of the page
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