Swertia tetrapetala Pall. [Gentianaceae]
Chisimasenburi (チシマセンブリ, 千島千振)
Life form: biennial forb
Distribution: eastern Siberia - Korea - Japan (central Honshu - Hokkaido) - Kamchatka
Habitat: seacoast, subalpine
Varieties
S. tetrapetala Pall. (チシマセンブリ, s.l.)
- subsp. micrantha (Takeda) Kitam. (タカネセンブリ): central Honshu
- subsp. tetrapetala var. tetrapetala (チシマセンブリ, (s.s.)
- var. chrysantha (Honda et Tatew.) Sugim. (ヤケイシセンブリ)
- var. yezoalpina (H.Hara) H. Hara (エゾタカネセンブリ): endemic to Hidaka Mountains
- f. albiflora Tatew. (シロバナチシマセンブリ)
- f. variegata Tatew. (フイリチシマセンブリ)
Swertia tetrapetala in Hokkaido
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[1-4] Tomakomai Experimental Forest, Hokkaido University, northern Hokkaido. [1-2] on September 14 2010. [3-4] on August 27 1996. [4] Close-up of flowers.