Japanese white birch
Betula platyphylla Sukaczev var. japonica (Miq.) H.Hara
[Betulaceae]
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- Shirakamba (シラカンバ, 白樺)
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Lifeform: large, deciduous tree
Distribution: B. platyphylla: East Asia (northern China, Japan, Korea, Siberia)
Succession: pioneer tree after wildfire, volcanic eruption, and deforestation
Seed dispersal: producing long-distance wind dispersal seeds
The pollen is a major cause of allergies, in particular, in Hokkaido - Betula platyphylla var. japonica in Hokkaido
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Male flowers on May 22, 2008, in Hokkaido University Campus.
[Left] A leaf (in front of O-taki Seminar House on September 8 2009). [Right]A forest on the foot om Mount Showa-Shinzan was dominated by Betula platyphylla var. japonica and Populus maximowiczii. Photo taken at Dec. 18, 2004, by Uraguhi A. - Betula platyphylla in Siberia
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at Spaskaya Pad, Sakha Republic, on July 5 1995. The dominant tree species in the forests were Larix gmelinii (or Larix cajanderi, recently separated from L. gmelinii) and Betula platyphylla. - Morphology
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Shoots on November 11 1983. - References