A native of Japan, Manchuria, Korea, and the Russian Far East. It is a balsam poplar, closely allied to P. suaveolens, in which it was included until Augustine Henry separated it as a distinct species in 1913. At that time it was not in cultivation in Britain, but was introduced a few years later.
In the wild ‘this poplar grows to a larger size than any other species of eastern Asia, and ranks with the largest trees that grow there’ The leaves are slightly leathery, vivid green, dullish, reticulate above, whitish beneath, veins and veinlets finely downy on both surfaces, margins bluntly toothed, ciliate; petioles on the long shoots about 3⁄4 in. long, on the short shoots 1 to 11⁄2 in. long. Male catkins 2 to 4 in. long; stamens thirty to forty. Fruiting catkins up to 10 in. long;
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6 Figure Grid SO505512