Sasa senanensis (Franch. et Savat.) Rehder [Poaceae]
Kumaizasa (クマイザサ, 九枚笹)
Lifeform: evergreen dwarf shrub
Distribution: northeastern China - Kora- Japan - Sakhalin - Kuril
Habitat: Sasa shrub, forest floor
Synonyms:
S. paniculata (F. Schmidt) Makino et Shibata
Varieties
- var. harai (Nakai) S. Suzuki (フシゲミナカミザサ)
- f. argillacea (Koidz.) S. Suzuki
- f. hispidula (Tatewaki) S. Suzuki (フシゲクマイザサ)
- f. nobilis S. Suzuki (キンタイザサ)
Sasa senanensis in Hokkaido
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[1] occasionally, forest floor is completely coverwed with the shrub. [2] check the branching pattern. [1-2] at the entrance of field for nursery plants, HU, on April 29 2009.
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[3] In Hokkaido University Campus on December 24 2008. [4] The shoot height of dwarf bamboo is related to snow depth. In the front of Yuei Dormitory on February 20 2009.
Leaf
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[5] Underside of a leaf. In Hokkaido University Campus on December 24 2008 (same with photo #3).
Inflorescences (flowers)
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[6] flowering observed on Mount Hakodate, southern Hokkaido, on September 23 2010. [7] Close-up. We can see the stamens. In Nakagawa Experimental Forest, Hokkaido University, on June 16 2011.