| Family | Saxifragaceae |
| Scientific name | Astilbe glaberrima Nakai |
| Synonyms | Astilbe japonica (C. Morren & Decaisne) A. Gray subsp. glaberrima (Nakai) Kitamura; Astilbe japonica (C. Morren & Decaisne) A. Gray var. terrestris (Nakai) Murata ex Ohwi; Astilbe thunbergii (Siebold & Zuccarini) Miquel var. terrestris (Nakai) Ohwi |
| Common name | (Japanese common name) yakushima-shouma (ヤクシマショウマ, 屋久島升麻 [meaning: Yakushima Island shoma (shoma = Cimicifugae Rhizoma)]) |
| (English common name) none | |
| Distribution | (Japan) Kyushu (Yakushima Island) |
| (Other nations) none | |
| Habitat | Rocks near mountane stream |
| Chromosomal number | unknown |
| Description | Plants 5-50cm tall. Flowers white (or pale pink), inflorescences 5-25cm long, flowering in July to September. Prerennial plants. |
| Note | Endemic to Japan. Rare species. |
| July 2008 at Tsukuba Botanical Garden |
July 2008 at Tsukuba Botanical Garden |
July 2008 at Tsukuba Botanical Garden |
| July 2008 at Kochi Prefecture Makino Botanical Garden |
July 2008 at Kochi Prefecture Makino Botanical Garden |
July 2008 at Kochi Prefecture Makino Botanical Garden |