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| October 2006 at Tsukuba Botanical Garden |
October 2007 at Tsukuba Botanical Garden |
October 2006 at Tsukuba Botanical Garden |
| Family | Gentianaceae |
| Tribe | Gentianeae |
| Subtribe | Swertiinae |
| Scientific name | Swertia japonica (Schultes) Makino |
| Synonyms | Frasera japonica (Schultes) Toyokawa; Gentiana japonica Schultes; Pleurogyne rotata Grisebach; Swertia dilute Ledebour; Swertia japonica (Schultes) Grisebach; Swertia japonica (Schultes) Makino forma chionantha F. Maekawa |
| Common name | (Japanese common name) sen-buri (センブリ, 千振 [meaning: thousand times shaking for extracting]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Korea, China | |
| Habitat | Mountain |
| Chromosomal number | 2n=18, 20, 24 |
| Description | Plants electing 5-25cm tall. Leaves 1-3.5cm long, 1-3mm wide. Flowers calyxs 5-11mm long, corollas ca. 2-3cm across, flowering in September to November. Annual or winter annual plants. |
| Reference | Swertia japonica (Schult.) Makino |
| Skin external agent (US Patent 5676957/1997) |
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| October 2006 at Tsukuba Botanical Garden |
October 2007 at Tsukuba Botanical Garden |
October 2006 at Tsukuba Botanical Garden |
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| October 2006 at Tsukuba Botanical Garden |
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| October 2008 at Mt. Tsukuba |
October 2008 at Mt. Tsukuba |
