| Family | Stemonaceae |
| Scientific name | Croomia japonica Miquel |
| Synonyms | Croomia kiushiana Makino |
| Common name | (Japanese common name) hime nabewari (ヒメナベワリ, 姫ナベワリ [meaning: dwarf bitter weed]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (south of Chugoku region), Kyushu, Shikoku, Okinawa |
| (Other nations) China | |
| Chromosomal number | 2n=24 |
| Description | Plants electing ca. 30-60cm. Leaves 5-11cm long. Flowers green, flowering in April to May. Perennial plants. |
| Reference | Croomia japonica Miquel |
| Karyomorphology of Two Genera in Stemonaceae. | |
| Plant extracts and alkaloids having antitussive activity (US Patent 6992078/2006) |
| April 2007 at Kyoto Botanical Garden |
April 2007 at Kyoto Botanical Garden |
April 2007 at Kyoto Botanical Garden |
| April 2007 at Kyoto Botanical Garden |
April 2007 at Kyoto Botanical Garden |