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| February 2007 at riverside |
February 2007 at riverside |
February 2007 at riverside |
| Family | Plantaginaceae (also placed in Scrophulariaceae) |
| Tribe | Veroniceae |
| Scientific name | Veronica persica Poiret |
| Synonyms | Pocilla persica (Poiret) Fourreau; Veronica buxbaumii Tenore; Veronica diffusa Rafinesque; Veronica persica Poiret var. aschersoniana (E. B. J. Lehmann) B. Boivin; Veronica persica Poiret var. corrensiana (E. B. J. Lehmann) B. Boivin; Veronica precox Rafinesque; Veronica rotundifolia Sessé y Lacasta & Moçiño; Veronica tournefortii C. C. Gmelin subsp. aschersoniana E. B. J. Lehmann; Veronica tournefortii C. C. Gmelin subsp. corrensiana E. B. J. Lehmann; Veronica tournefortii C. C. Gmelin var. aschersoniana (E. B. J. Lehmann) Hegi; Veronica tournefortii C. C. Gmelin var. corrensiana (E. B. J. Lehmann) Hayek ex Hegi |
| Common name | (Japanese common name) o-inu-no-fuguri (オオイヌノフグリ, 大犬陰嚢 [meaning: big testicles of dogs]) |
| (English common name) bird-eye, cat's eyes, creeping speedwell, persian speedwell | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) [native] Eurasia, northern Africa | |
| Habitat | Roadside, fields, farm yard |
| Chromosomal number | 2n=28 |
| Description | Plants creeping or standing 10-35cm long. Leives alternate at upper, oposite at lower. Flowers pedicels 1.5-4mm long, calyx 6-8mm long, blue corollas ca. 8mm across, flowering in January to June. Fruits ca. 3mm, seeds ca. 1.5mm long. Winter annual plants. |
| Reference | Veronica persica Poir. |
| Veronica persica Poir. | |
| Imidazole derivatives (US Patent 4246021/1981) | |
| Carbamoyltriazoles, and their production and use (US Patent 4810271/1989) | |
| Process for selectively controlling weeds in crops of useful plants (US Patent 4911751/1990) | |
| Herbicidal method comprising the use of diflufenican (US Patent 5264411/1993) | |
| Triazine derivative and a herbicide comprising the same as an effective ingredient (US Patent 5403815/1995) | |
| Herbicidal mixtures (US Patent 5985796/1999) | |
| Composition for regulating plant growth and a method for application thereof (US Patent 6117818/2000) | |
| Benzoylpyrazoles and their use as herbicides (US Patent 6420317/2002) | |
| Synergistic herbicidal mixtures (US Patent 6645911/2003) | |
| Note | Naturalized plants (first discovered in Meiji era) |
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| February 2007 at riverside |
February 2007 at riverside |
February 2007 at riverside |
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| March 2007 at Mt. Tsukuba |
March 2007 at Mt. Tsukuba |
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| February 2007 at riverside |
February 2007 at riverside |
February 2007 at riverside |
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| May 2007 at lowland forest edge |
May 2007 at lowland forest edge |
