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| August 2007 at lowland swamp |
August 2007 at lowland swamp |
| Family | Cyperaceae |
| Scientific name | Cyperus flaccidus R. Brown |
| Synonyms | Cyperus hakonensis Francet et Savatier |
| Common name | (Japanese common name) hina-gayatsuri [small girls mosquito net hanging weed] |
| (English common name) lax flat-sedge | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) China, Australia | |
| Chromosomal number | 2n=36 |
| Description | Plants culms 3-15cm. Flowers pale green spikelets 5-12mm, flowering in August to October. Annual plants.. |
| Reference | Cyperus flaccidus R.Br. |
| Herbicide compositions and weedkilling method using the same (US Patent 7144842/2006) |
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| August 2007 at lowland swamp |
August 2007 at lowland swamp |
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| October 2007 at lowland swamp |
October 2007 at lowland swamp |
