River Alder/Thinleaf Alder - Photos Copyright Ward Cameron 2003 - Click to view a larger image River Alder/Thinleaf Alder - Photos Copyright Ward Cameron 2003 - Click to view a larger image River Alder/Thinleaf Alder - Photos Copyright Ward Cameron 2003 - Click to view a larger image River Alder/Thinleaf Alder - Photos Copyright Ward Cameron 2003 - Click to view a larger image 
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Shrubs ( Shrubs with Simple, Alternate Leaves, Coarsely Toothed Margin )
Birch Family (Betulaceae)

River Alder/Thinleaf Alder
Alnus tenuifolia

Season:  
Habitat:
 Streambeds
Height:
 Up to 10 m

Description: Unlike the green alder, the river alder prefers lower montane valleys. It can be found along rivers and streams, and is more common on the western slopes. It most commonly occurs as a shrub, and can grow dense enough to make travel difficult. The leaves are deeply toothed, with smaller teeth within the larger. The brown or gray bark has horizontal markings on it. Unlike the green alder, the seed pods are long and hang off short branches.

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All Material Ward Cameron 2005

 

 

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