| Family | Ericaceae (also placed in Pyrolaceae) |
| Subfamily | Monotropoideae |
| Tribe | Pyroleae |
| Scientific name | Pyrola asarifolia Michaux subsp. incarnata (de Candolle) E. Haber & H. Takahashi |
| Synonyms | Pyrola asarifolia Michaux var. incarnata (de Candolle) Fernald; Pyrola asarifolia Michaux var. purpurea (Bunge) Fernald; Pyrola incarnata (de Candolle) Fischer; Pyrola incarnata (de Candolle) Fischer var. ovatifolia Y.Z. Zhao; Pyrola rotundifolia L. subsp. incarnata (de Candolle) Krylov; Pyrola rotundifolia L. var. incarnata de Candolle; Pyrola rotundifolia L. var. purpurea Bunge |
| Common name | (Japanese common name) benibana-ichi-yaku-sou (ベニバナイチヤクソウ, 紅花一薬草 [meaning: red flower one medicine weed]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu (north of Central region) |
| (Other nations) Russia, Korea, China, Mongolia | |
| Habitat | Subalpine or mountane forest. |
| Chromosomal number | unknown |
| Description | Leaves 3-5cm long, 2.5-4.5cm wide. Scapes 10-25cm tall. Flowers red 12-15mm across, flowering in June to July. Perennial plants. |
| Reference | Pyrola asarifolia Michx. subsp. incarnata (DC.) Haber & Hideki Takah. |
| Pyrola asarifolia subsp. incarnata (DC.) Haber & Hir. Takah. | |
| Pyrola asarifolia subsp. incarnata (de Candolle) E. Haber & H. Takahashi |
| July 2009 at Mt. Fuji |
July 2009 at Mt. Fuji |
July 2009 at Mt. Fuji |
| July 2009 at Mt. Fuji |
| July 2009 at Mt. Fuji |