| Family | Asteraceae (alt. Compositae) |
| Scientific name | Wedelia chinensis (Osbeck) Merrill |
| Synonyms | Solidago chinensis Osbeck; Sphagneticola calendulacea (L.) Pruski; Verbesina calendulacea L.; Wedelia calendulacea (L.) Less |
| Common name | (Japanese common name) kumano-giku [Kumano daisy (Kumano = an old name of Wakayama Prefecture)], hama-guruma [beach wheel] |
| (English common name) none | |
| Distribution | (Japan) Honshu (Izu Peninsla, Kii Peninsula), Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Taiwan, Philippines, Vietnam, Laos, Cambodia, Malaysia, India | |
| Chromosomal number | 2n=56 |
| Description | Plants creeping. Leaves 2-7cm length, 6-12mm width. Flowers yellow 2-2.5cm, flowering in July to October. Perennial plants. |
| Reference | Wedelia chinensis (Osbeck) Merr. |
| Wedelia chinensis (Osbeck) Merr | |
| Sphagneticola calendulacea (L.) Pruski | |
| Plant extracts as mucosal-protective agents (US Patent 5130133/1992) | |
| Methods for treating cell death diseases and inflammation (US Patent 6552071/2003) |
| October 2007 at Koishikawa Botanical Garden |
October 2007 at Koishikawa Botanical Garden |
October 2007 at Koishikawa Botanical Garden |
| October 2007 at Koishikawa Botanical Garden |