Katsura tree
Cercidiphyllum japonicum Sieb. et Zucc. ex Hoffm. et Schult.
[Cercidiphyllaceae]
Katsura (カツラ, 桂)
Lifeform: large, deciduous tree
Distribution: Japan (one variety is distributed in China)
Habitat: streamside, valley, etc. On Mount Usu, the ridges are occuplied by Populus maximowiczii, and the valleys are by C. japonicum.
Chromosome number: 2n = 38
Cercidiphyllaceae Sieb. et Zucc.
Cercidiphyllaceae consists of one genus (Cercidiphyllum)
Cercidiphyllum Sieb. et Zucc.
C. japonicum Sieb. et Zucc. (カツラ)
f. pendulum (Miyoshi ex Makino et Nemoto) Ohwi (シダレカツラ) [syn. C. magnificum (Nakai) Nakai f. pendulum (Miyoshi ex Makino et Nemoto) Spongberg]
C. magnificum (Nakai) Nakai (ヒロハカツラ) [syn. C. japonicum Sieb. et Zucc. var. magnificum Nakai]
Cercidiphyllum japonicum on Mount Usu
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[1] a tree near the 2000 crater (K-1) on the foot of Mount Usu on September 9 2009. [2-3] In Nakagawa Experimental Forest, Hokkaido University, on June 16 2011. [4] a bark seen along a lake coast on Toya Lake close to Toya Lake Experimental Station, HU, on August 23 2011.
References
- Engler's syllabus エングラー体系
- Flora on Mount Usu