| Family | Gentianaceae |
| Tribe | Gentianeae |
| Subtribe | Gentianinae |
| Scientific name | Gentiana scabra Bunge var. buergeri (Miquel) Maximovicz forma stenophylla (H. Hara) Ohwi |
| Synonyms | Gentiana scabra Bunge forma stenophylla (H. Hara) W. K. Paik & W. T. Lee; Gentiana scabra Bunge var. stenophylla H. Hara |
| Common name | (Japanese common name) rindou (ホソバリンドウ, 細葉竜胆 [meaning: narrow leaved rindou (rindou = Gentiana scabra Bunge var. buergeri (Miquel) Maximovicz)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Kanto region), Shikoku, Kyushu |
| (Other nations) none | |
| Habitat | Swamp |
| Chromosomal number | unknown |
| Description | Plants electing 20-90cm tall. Leaves ca. 4-10cm long, ca. 3-5mm wide. Flowers blue or purple (or merely white) corollas 4.5-6cm long, flowering in September to November. Perennial plants. |
| Reference | Gentiana scabra Bunge var. stenophylla H.Hara |
| Agent for hair growth (EP20060780703/2008) |
| October 2008 at lowland swamp |
October 2008 at lowland swamp |
October 2008 at lowland swamp |