"This European native grows to 30 m tall and is cultivated frequently, and often naturalized, in climates colder than ours.The upper surface [of the leaves] is dark grey-green, and the undersurface silvery due to a dense coat of white hairs, especially prominent on young leaves and twigs." (Straley 1992).
Straley, Gerald B. 1992. Trees of Vancouver. A guide to common and unusual trees of the city. UBC Press, Vancouver
