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| September 2006 at lowland swamp |
September 2006 at lowland swamp |
September 2006 at lowland swamp |
| Family | Brassicaceae |
| Scientific name | Rorippa palustris (Leysser) Besser |
| Synonyms | Nasturtium palustre de Candolle; Radicula palustris (L.) Moench; Rorippa hispida (Desvaux) Britton; Rorippa intermedia (Kuntze) R. Stuckey; Rorippa islandica (Oeder) Borbás; Rorippa islandica (Oeder ex Murray) Borbás var. microcarpa (Regel) Fernald; Rorippa palustris (Leysser) Besser var. elongata R. Stuckey; Rorippa palustris (Leysser) Besser var. hispida (Desvaux) Rydberg; Sisymbrium amphibium var. palustre Leysser; Nastrutium palustre (Leysser) de Candolle. |
| Common name | (Japanese common name) sukashi-ta-gobo (スカシタゴボウ, 透田牛蒡 [meaning: watermarked rice paddy gobo (gobo = a weed which has strong roots)]) |
| (English common name) bog yellowcress, yellow watercress, marsh cress, common yellowcress | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) northern hemisphere | |
| Habitat | Rice paddy, wet field |
| Chromosomal number | 2n=32 |
| Description | Plants 35-50cm tall. Leaves 5-10cm long. Flowers yellow, flowering in all seasons (mainly in April to June). Annual or winter annual plants. |
| Reference | Rorippa palustris (L.) Besser |
| Rorippa palustris (Linnaeus) Besser | |
| Alkyl 2-nitro-5-(2,4-dichlorophenoxy)-thiobenzoates (US Patent 3953489/1976) | |
| Compositions containing alkyl 2-nitro-5-(2',4'-dichlorophenoxy)-thiobenzoates, and method of use thereof (US Patent 4015975/1977) | |
| Herbicidal sulfonylguanidine derivatives (US Patent 4619688/1986) | |
| Herbicidal novel 2-alkoxyaminosulfonyl-benzene-sulfonylureas (US Patent 4626273/1986) |
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| September 2006 at lowland swamp |
September 2006 at lowland swamp |
September 2006 at lowland swamp |
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| November 2006 at rice paddy |
November 2006 at rice paddy |
November 2006 at rice paddy |
