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| October 2006 at rice paddy |
October 2006 at rice paddy |
October 2007 at rice paddy |
| Family | Asteraceae (alt. Compositae) |
| Scientific name | Bidens tripartita L. |
| Synonyms | Bidens acuta (Wiegand) Britton; Bidens comosa (A. Gray) Wiegand; Bidens connata Muhlenberg ex Willdenow var. comosa A. Gray |
| Common name | (Japanese common name) ta-ukogi [rice paddy ukogi (ukogi = Acanthopanax sieboldianus)] |
| (English common name) burmarigold, marigold bur, threelobe beggarticks, water agrimony | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Russia, Korea, China, Taiwan, Asia, Europa, Australia, north Africa, USA | |
| Chromosomal number | 2n=48 |
| Description | Plants 20-150cm. Leaves 5-13cm length. Flowers flowering in August to October. Annual plants. |
| Reference | Bidens tripartita L. |
| Bidens tripartita L. | |
| Bidens tripartita Linnaeus | |
| Bidens connata Muhlenberg ex Willdenow | |
| 2,3-Dicyanopyrazines (US Patent 4259489/1981) | |
| Substituted phenyl (thiono)carbamates, herbicidal compositions containing the same as active ingredient and method of controlling weeds (US Patent 4491465/1985) | |
| N-(3-substituted oxyphenyl)tetrahydrophthalimides and herbicidal composition (US Patent 4536209/1985) | |
| Haloacetamide compounds, process for production thereof, and use thereof as herbicide (US Patent 4895587/1990) | |
| Medicinal agent and method for treatment of mastitis in animals and humans (US Patent 5061491/1991) |
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| October 2006 at rice paddy |
October 2006 at rice paddy |
October 2007 at rice paddy |
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| October 2007 at rice paddy |
October 2007 at rice paddy |
