| Family | Amaranthaceae |
| Scientific name | Achyranthes japonica (Miquel) Nakai |
| Synonyms | Achyranthes bidentata Blume var. japonica Miquel; Achyranthes fauriei H. Léveillé & Vaniot var. japonica (Miquel) Hiyama |
| Common name | (Japanese common name) hikage-inokodzuchi (ヒカゲイノコヅチ or ヒカゲイノコズチ, 日陰猪子槌 [meaning: shady place inokodzuchi (inokodzuchi = a kind of traditional detoxicant weed)]), inokozuchi (イノコヅチ or イノコズチ, 猪子槌) |
| (English common name) Japanese chaff-flower | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Taiwan, Himalaya | |
| Habitat | Mountane forest, forest edge |
| Chromosomal number | 2n=42 |
| Description | Plants 80cm tall. Leaves 5-12cm long. Flowers flowering in August to September. Prennial plants. |
| Reference | Achyranthes japonica (Miq.) Nakai |
| Achyranthes japonica (Miquel) Nakai |
| September 2007 at Ushiku Forest Park |
September 2007 at Ushiku Forest Park |
September 2007 at Ushiku Forest Park |
| September 2007 at Ushiku Forest Park |
September 2007 at Ushiku Forest Park |