| Family |
Onagraceae |
| Tribe |
Circaeeae |
| Scientific name |
Circaea erubescens Franchet & Savatier |
| Synonyms |
Circaea delavayi H. Léveillé; Circaea kawakamii Hayata |
| Common name |
(Japanese common name) tani-tade (タニタデ, 谷蓼 [meaning: valley water pepper]) |
| (English common name) none |
| Distribution |
(Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia (Sakhalin), Korea, China, Taiwan |
| Habitat |
Mountane forest |
| Chromosomal number |
2n=22 |
| Description |
Plants 20-60cm tall. Leaves 3-8cm long, 1.5-4cm wide. Flowers white, flowering
in July to September. Fruits 2-2.5mm long. Pelennial plants. |
| Reference |
Circaea erubescens Franchet & Savatier |
