| Family | Asteraceae (alt. Compositae) |
| Scientific name | Wedelia prostrata (Hooker & Arnott) Hemsley var. robusta Makino |
| Synonyms | Wedelia robusta (Makino) Kitamura |
| Common name | (Japanese common name) oh-hama-guruma [large beach wheel] |
| (English common name) none | |
| Distribution | (Japan) Honshu (Kii Peninslar), Shikoku, Kyushu, Okinawa |
| (Other nations) Taiwan | |
| Chromosomal number | unknown |
| Description | Plants creeping. Leaves 3-12cm long, 1.5-6cm wide, petioles 3-28mm long. Flowers 3 (or merely 1) yellow heads 2-2.5cm across, flowering in April to September. Perennial plants. |
| Reference | Acta phytotaxonomica et geobotanica |
| Plant extracts as mucosal-protective agents (US Patent 5130133/1992) |
| July 2008 at Okinawa |
July 2008 at Okinawa |
July 2008 at Okinawa |
| July 2008 at Okinawa |
July 2008 at Okinawa |