| Family | Ericaceae (also placed in Pyrolaceae) |
| Subfamily | Monotropoideae |
| Tribe | Pyroleae |
| Scientific name | Chimaphila japonica Miquel |
| Synonyms | Chimaphila astyla Maximowicz; Chimaphila fukuyamae Masamune |
| Common name | (Japanese common name) ume-gasa-sou (ウメガサソウ, 梅笠草 [meaning: plum flower weed]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia (Far East), Korea, China, Taiwan | |
| Chromosomal number | 2n=26? |
| Description | Plants 5-10cm tall. Leaves 1.5-3cm long, 5-10mm wide. Flowers white ca. 1cm across, flowering in June to July. Evergreen. Perennial plants. |
| Reference | Chimaphila japonica Miquel |
| Method for producing secondary metabolites of plants (US Patent 4717664/1988) | |
| Note | Relatively rare species. |
| June 2007 at coastal forest |
June 2007 at coastal forest |
June 2007 at coastal forest |
| June 2007 at coastal forest |
June 2007 at coastal forest |
June 2007 at coastal forest |