Erman's Birch
Betula ermanii Cham.

Betula ermanii, known as Erman's Birch, is a species of birch in the Betulaceae family. It is native to regions including Northeast China, Korea, Japan, and the Russian Far East. This tree can reach heights of up to 20 metres. It is characterized by its peeling bark, which often shreds and hangs from the trunk and lower branches. Yellow-brown male catkins appear alongside the leaves in spring.
Description
Betula ermanii is a deciduous tree, occasionally evergreen, with a distribution spanning areas such as Amur, Buryatiya, China North-Central, Chita, Inner Mongolia, Irkutsk, Japan, Kamchatka, Khabarovsk, Korea, Kuril Is., Magadan, Manchuria, Primorye, Sakhalin, and Yakutskiya. The species was first described in 1831. It exhibits variability in leaf size and shape, with leaves ranging from small to large and either undivided or lobed. The tree is distinguished by its peeling bark and yellow-brown male catkins that appear with the leaves in spring.
Other common names
Erman's BirchStone BirchRussian rock birch
Distribution
AM · NO · Global · Amur · Buryatiya · China North-Central · Chita · Inner Mongolia · Irkutsk · Japan · Kamchatka · Khabarovsk · Korea · Kuril Is. · Magadan · Manchuria · Primorye · Sakhalin · Yakutskiya
Synonyms
Betula incisaBetula ermanii var. genuina