Other common names:
Gray Alder, Hoary Alder, Tag Alder French names:
Aulne rugueux Family: Birch Family (Betulaceae) Group: Alders Distinctive features: Shrub; Prominent lenticels (speckles) scattered all over the bark. Similar species: • 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. Flowers: Spring Leaves: Alternate, Simple, Toothed; Roundish, alternate, toothed. Height:
Up to 6 m (20 ft) Trunk:
Prominent lenticels (speckles) scattered all over the bark. Habitat: Wet Areas; Wet areas, along stream banks. Books: Trees in Canada: 300 Native/Non-native:
Native Status:
Common.
Notes:
Easily confused with European Black Alder (Alnus glutinosa).
Origin and Meaning of Names:
Scientific Name: incana: grey For more information visit: Ontario Trees and Shrubs Photographs:
179 photographs available, of which 8 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.
Range Map is at the bottom of the page
Typical leaf. Note two important characteristics:
1. The tip is pointed, not blunt (European Black Alder (Alnus glutinosa) leaves are blunt-tipped, or even indented at the tip).
2. The edges are double-toothed.
PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.
(Range map provided courtesy of the USDA website
and is displayed here in accordance with their
Policies)
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