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| October 2006 at Mt. Tsukuba |
October 2006 at Mt. Tsukuba |
October 2006 at Mt. Tsukuba |
| Family | Ranunculaceae |
| Subfamily | Ranunculoideae |
| Tribe | Actaeeae |
| Scientific name | Actaea simplex (de Candolle) Wormskjöld ex Wormskjöld ex Fischer & C. A. Meyer |
| Synonyms | Actaea cimicifuga L. var. simplex de Candolle; Cimicifuga foetida L. var. intermedia Regel; Cimicifuga foetida L. var. racemosa Regel; Cimicifuga foetida L. var. simplex (de Candolle) Regel; Cimicifuga simplex (de Candolle) Wormskjöld ex Turczaninow; Cimicifuga ussuriensis Oettingen; Thalictrodes simplex (de Candolle) Kuntze |
| Common name | (Japanese common name) sarashina-shoma (サラシナショウマ, 晒菜升麻 [meaning: bleached herb shoma (shoma = a traditional Chinese medicine)]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia (Kamchatka, Sakhalin, Kril Islands, far east), Korea, China, Mongolia | |
| Habitat | Mountane field or forest |
| Chromosomal number | 2n=16 |
| Description | Plants 40-150cm tall. Leaves 35-55cm long, triternate. Flowers pedicels 5-10mm long, calyx lobes 4-6mm long, white petals 3-5mm long, stamens 5-6mm long, flowering in August to October. Fruits 5-10mm long, seeds 2mm long. Perennial plants. |
| Reference | Actaea simplex (DC.) Wormsk. ex Prantl |
| Cimicifuga simplex (de Candolle) Wormskjöld ex Turczaninow |
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| October 2006 at Mt. Tsukuba |
October 2006 at Mt. Tsukuba |
October 2006 at Mt. Tsukuba |
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| August 2005 at high marsh |
August 2005 at high marsh |
August 2005 at high mountain cave |
