| Family | Saxifragaceae |
| Scientific name | Astilbe microphylla Knoll |
| Synonyms | none |
| Common name | (Japanese common name) chidake-zashi (チダケザシ, 乳茸刺 [meaning: chidake picks (chidake = chichi-take = Lactarius volemus)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) none | |
| Habitat | Mountane wet field |
| Chromosomal number | unknown |
| Description | Plants electing 30-80cm. Leaves 2-4 pinnate, each leaflets 1-5cm long, 7-25mm wide. Flowers pink (or white) petals 3-5mm long, 0.6-01mm wide, flowering in July to August. Prerennial plants. |
| Reference | Process for preparing flavonoids (US Patent 6706865/2004) |
| Preventives or remedies for arthritis (European Patent EP1407777/2005) |
| July 2007 at mountane field |
July 2007 at mountane field |
July 2007 at mountane field |
| July 2007 at mountane field |
July 2007 at mountane field |
July 2007 at mountane field |