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| November 2006 at riverside |
November 2006 at riverside |
November 2006 at riverside |
| Family | Caryophyllaceae |
| Subfamily | Alsinoideae |
| Tribe | Alsineae |
| Scientific name | Myosoton aquaticum (L.) Moench |
| Synonyms | Alsine aquatica (L.) Britton; Cerastium aquaticum L.; Malachium aquaticum (L.) Fries; Stellaria aquatica (L.) Scopoli |
| Common name | (Japanese common name) ushi-hakobe (ウシハコベ, 牛繁縷 [cattle hakobe (meaning of hakobe is unknown)]) |
| (English common name) giant chickweed, water chickweed | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Russia, Korea, China, Taiwan, Asia - Europa, north Africa | |
| Habitat | Forest edge, field, farm yard, riverside |
| Chromosomal number | 2n=20, 28 |
| Description | Plants 20-50cm tall. Leaves 2.5-8cm long, non hair. Flowers pedicels 7-18mm long, 5 calyx lobes, 5 white petals, 10 stamens, 5 styles, flowering in April to October. Seeds ca. 1mm long. Winter annual or perennial plants. |
| Reference | Myosoton aquaticum (L.) Moench |
| Myosoton aquaticum (Linnaeus) Moench | |
| Herbicidal composition comprising2-[7-fluoro-3,4-dihydro-3-oxo-4-(2-pyropynyl)-2H-1,4-benzoxazi n-6-yl]-4,5,6,7-tetrahydro-1H-isoindole-1,3(2H)-dione and either glufosinate or bialaphos (US Patent 5173103/1992) |
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| November 2006 at riverside |
November 2006 at riverside |
November 2006 at riverside |
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| September 2006 at rice paddy |
October 2006 at lowland swamp |
October 2006 at lowland swamp |
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| November 2007 at lowland forest edge |
