Other common names:
Gray Alder, Hoary Alder, Tag Alder French names:
Aulne rugueux Family: Birch Family (Betulaceae) 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 spp. crispa) - 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 20-25 feet tall. Trunk:
Prominent lenticels (speckles) scattered all over the bark. Habitat:
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). See Also:
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.
