| Family | Hypoxidaceae |
| Scientific name | Hypoxis aurea Loureiro |
| Synonyms | Curculigo graminifolia Nimmo; Hypoxis minor D. Don |
| Common name | (Japanese common name) ko-kinbai-zasa [tiny golden cup bamboo weed] |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Kanto region), Shikoku, Kyushu |
| (Other nations) Korea, China, Taiwan, Philippines, Vietnam, Laos, Thailand, Cambodia, Indonesia, Papua New Guinea, Myanmar, Nepal, Bhutan, India, Pakistan | |
| Chromosomal number | 2n=54 |
| Description | Leaves 6-30cm long. Flowers yellow 6 perianth each 6-10mm long, flowering in May to June. Perennial plants. |
| Reference | Hypoxis aurea Loureiro |
| Note | Wild plants are becoming rare. |
| May 2008 at lowland swamp |
May 2008 at lowland swamp |
May 2008 at lowland swamp |