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| September 2007 at lowland swamp |
| Family | Cyperaceae |
| Scientific name | Fimbristylis subbispicata Nees et Meyen |
| Synonyms | Fimbristylis bispicata Nees; Fimbristylis crassipes Palla; Fimbristylis gynophora C. B. Clarke; Fimbristylis japonica Siebold & Zuccarini; Fimbristylis tristachya R. Brown var subbispicata (Nees & Meyen) T. Koyama |
| Common name | (Japanese common mame) yama-i (ヤマイ, 山藺 [meaning: mountain rush]) |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Taiwan, Nepal, India | |
| Habitat | Swamp |
| Chromosomal number | 2n=10 |
| Description | Plants culms 15-50cm tall. Leaves ca. 1mm wide. Flowers single spikelet (merly 2-3 spikelets) in an inflorescence, short bract, spikelets 8-25mm long and 4-6mm wide, flowering in August to October. Fruits 1-1.25mm long. Perennial plants. |
| Reference | Synergistic herbicidal compositions (US Patent 4047929/1977) |
| Pyridazine pesticides (US Patent 4067723/1978) | |
| Herbicidal substituted triazolinones (US Patent 5441924/1995) | |
| Herbicidal sulphonylaminocarbonyltriazolinones having two substituents bonded via oxygen (US Patent 5488028/1996) | |
| Synergistic herbicidal mixtures (US Patent 6013605/2000) | |
| Herbicidal or fungicidal sulphonylaminocarbonyltriazolinones with halogenated alk(en)oxy substituents (US Patent 6121204/2000) | |
| Selective herbicides based on a substituted phenyl sulfonyl amino carbonyl triazolinone (US Patent 6395684/2002) | |
| Herbicidal compositions (US Patent 6743753/2004) |
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| September 2007 at lowland swamp |
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| August 2007 at lowland swamp |
August 2007 at lowland swamp |
August 2007 at lowland swamp |
