Green Alder, Mountain Alder, Siberian Alder, Sitka Alder, Slide Alder, Wavy-leaf Alder, Wavy-leaved Alder
Alnus viridis ssp. sinuata
Synonyms: Alnus alnobetula, Alnus alnobetula ssp. sinuata, Alnus crispa ssp. laciniata, Alnus crispa ssp. sinuata, Alnus sinuata, Alnus sitchensis, Alnus viridis ssp. fruiticosa, Alnus viridis ssp. sinuata, Alnus viridis var. sinuata, Duschekia sinuata
The photo above shows the catkins of Sitka
alder as seen along Forest Rd 551 on the west side of Mt. Adams..........May
30, 2005. One characteristic of this species is that the catkins appear
with the new leaves.
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These photos show the new leaves and catkins of Sitka
alder as seen along Forest Rd 551 on the west side of Mt. Adams...........May
30, 2005.
Sitka alder as seen on the eastern shoreline of Walupt Lake, Goat Rocks Wilderness..........July 11, 2018.
A leaf of Sitka alder as seen along the shoreline at Bench Lake, Tract D Yakama Lands, eastern Mt. Adams...........August 11, 2013. Note the numerous minute teeth along the leaf margin.
Paul Slichter