| Family | Oxalidaceae |
| Scientific name | Oxalis pes-caprae L. |
| Synonyms | Acetosella cernua (Thunberg) Kuntze; Acetosella ehrenbergii (Schlechtendal) Kuntze; Bolboxalis cernua (Thunberg) Small; Oxalis abyssinica Turczaninow; Oxalis burmannii Jacquin; Oxalis cernua L.: Oxalis cernua Thunberg; Oxalis cernua Thunberg var. namaquana Sonder; Oxalis concinna Salisbury; Oxalis ehrenbergii (Schlechtendal) R. Knuth; Oxalis grandiflora Arechavaleta, non Jacquin; Oxalis kuibisensis R. Knuth; Oxalis lybica Viviani |
| Common name | (Japanese common name) oh-kibana-katabami (オオキバナカタバミ, 大黄花片喰 [meaning: large yellow flower oxalis]) |
| (English common name) Bermuda-buttercup, buttercup oxalis | |
| Distribution | (Japan) Honshu (west of Kanto region), Shikoku, Kyushu |
| (Other nations) Namibia, South Africa | |
| Habitat | Roadside, field |
| Chromosomal number | n=17, 2n=35 |
| Description | Leaves 3 leaflets, each 1-2cm wide. Scapes 20-30cm tall. Flowers yellow 3-4cm across, flowering in March to May. Perennial plants. |
| Reference | Oxalis pes-caprae L. |
| Oxalis pes-caprae L. | |
| Process for microencapsulating cells (US Patent 5286495/1994) | |
| Herbicidal composition and method (US Patent 5998335/1999) | |
| Process for microencapsulating cells (US Patent 6242230/2001) | |
| Note | Naturalized plants (first reported as naturalized plants in 1967) |
| February 2008 at Koishikawa Botanical Garden |
February 2008 at Koishikawa Botanical Garden |
February 2008 at Koishikawa Botanical Garden |