| Family | Euphorbiaceae |
| Scientific name | Chamaesyce hirta (L.) Millspaugh |
| Synonyms | Chamaesyce rosei Millspaugh; Ditritra hirta (L.) Rafinesque; Euphorbia capitata Lamarck; Euphorbia globulifera Kunth; Euphorbia hirta L.; Euphorbia hirta L. var. typica L. C. Wheeler; Euphorbia nodiflora Steudel; Euphorbia obliterata Jacquin; Euphorbia pilulifera L.; Euphorbia pilulifera L. forma rubromaculata Domin; Euphorbia pilulifera L. forma humifusa Domin; Euphorbia pilulifera L. forma viridis Domin; Euphorbia pilulifera L. var. discolor Engelmann; Euphorbia pilulifera L. var. hirta (L.) Thellung; Euphorbia pilulifera L. var. obliterata (Jacquin) Hitchcock; Euphorbia pilulifera L. var. guaranitica Chodat & Hassler; Euphorbia verticillata Vellozo |
| Common name | (Japanese common name) shima nishiki-sou [Okinawa nishiki-sou (nishiki-sou = Chamaesyce humifusa (Willdenow ex Schlechter) Prochanow)], aka-gusa [red weed], taiwan nishiki-sou [Taiwan nishiki-sou] |
| (English common name) asthmaplant, garden spurge | |
| Distribution | (Japan) Honshu (west of Central region), Shikoku, Kyushu, Okinawa |
| (Other nations) [native] South America | |
| Chromosomal number | 2n=18 |
| Description | Plants electing 20-50cm tall. Leaves 1.5-3.5cm long, 0.7-1.6cm wide. Flowers flowering in all seasons. Annual plants. |
| Reference | Chamaesyce hirta (L.) Millsp. |
| Chamaesyce hirta (L.) Millsp. | |
| Euphorbia hirta Linnaeus | |
| Polymers containing antimicrobial agents and methods for making and using same (US Patent 5906825/1999) | |
| Method to ascertain the quality of herbs (US Patent 6855343/2005) | |
| Treatment of prostate cancer (US Patent 7378445/2008) | |
| Treatment of prostate cancer (WIPO Patent WO/2002/011743) | |
| Paints, coatings and polymers containing phytochemical agents and methods for making and using same (WIPO Patent WO/2005/017051) | |
| Filter materials with biocidal phytochemical agents (WIPO Patent WO/2007/016223) | |
| Note | Naturalized plants. |
| July 2008 at Okinawa |
July 2008 at Okinawa |
July 2008 at Okinawa |