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|---|---|---|
| August 2006 at lowland swamp |
August 2006 at lowland swamp |
August 2006 at lowland swamp |
| Family | Cyperaceae |
| Scientific name | Cyperus difformis L. |
| Synonyms | Cyperus complanatus Forsskål; Cyperus difformis L. forma humilis Debeaux; Cyperus difformis L. forma maximus C.B. Clarke; Cyperus difformis L. var. breviglobosus Kükenthal; Cyperus difformis L. var. congestus E. G. Camus; Cyperus difformis L. var. pumilus Kuntze; Cyperus difformis L. var. subdecompositus Kükenthal; Cyperus holoschoenoides Jan ex Schultes; Cyperus lateriflorus Torrey; Cyperus oryzetorum Steudel; Cyperus protractus Link; Cyperus subrotundus Llanos |
| Common name | (Japanese common name) tama-gayatsuri [balls mosquito net hanging weed] |
| (English common name) dirty-Dora, one-arm sedge, rice sedge, small-flower umbrella plant, small-flower umbrella sedge, variable flat sedge | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) worldwide | |
| Chromosomal number | 2n=36 |
| Description | Plants culms 25-60cm. Flowers spikelets 3-10mm, flowering in August to October. Annual plants. |
| Reference | Cyperus difformis Linnaeus |
| Cyperus difformis L. | |
| Cyperus difformis L. | |
| Herbicide for use in transplanted rice (US Patent 3955959/1976) | |
| Herbicidal method (US Patent 4292068/1981) | |
| Indazole compounds, and their production and use (US Patent 4820333/1989) | |
| Herbicidal sulfonamides (US Patent 4913726/1990) | |
| Herbicidal pyrrolesulfonylureas (US Patent 5472933/1995) | |
| Controlling Cyperus weeds with Ascochyta sp. FERM BP-5176 (US Patent 5902580/1999) | |
| Herbicidal composition (US Patent 6030925/2000) | |
| Herbicidal sulfonamides (US Patent 6060432/2000) | |
| Agricultural product microscreen method and apparatus (US Patent 6150158/2000) | |
| Herbicidal oxadiazolidines (US Patent 6737383/2004) | |
| Herbicide compositions and weedkilling method using the same (US Patent 7144842/2006) | |
| Isoxazoline derivative and herbicide comprising the same as active ingredient (US Patent 7238689/2007) | |
| Note | Common |
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|---|---|---|
| August 2006 at lowland swamp |
August 2006 at lowland swamp |
August 2006 at lowland swamp |
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| October 2007 at lowland swamp |
October 2007 at lowland swamp |
October 2007 at lowland swamp |
