Family | Plantaginaceae (also placed in Scrophulariaceae) |
Tribe | Veroniceae |
Scientific name | Veronica peregrina L. |
Synonyms | Veronica carnulosa Lamarck; Veronica caroliniana Walter; Veronica chillensis Kunth; Veronica laevis Lamarck; Veronica marilandica Murray; Veronica pallescens Gaterau; Veronica peregrina L. forma xalapensis (Kunth) Kitagawa; Veronica peregrina L. subsp. typica Pennell; Veronica peregrina L. subsp. xalapensis (Kunth) Pennell; Veronica peregrina L. var. laurentiana Victorin; Veronica peregrina L. var. pubescens Honda; Veronica peregrina L. var. typica Pennell; Veronica peregrina L. var. xalapensis (Kunth) Pennell; Veronica peruviana Willdenow ex A. Dietrich; Veronica romana L.; Veronica sherwoodii Peck; Veronica xalapensis Kunth |
Common name | (Japanese common name) mushikusa (ムシクサ, 虫草 [meaning: worm weed]) |
(English common name) American speedwell, necklaceweed, neckweed, purslane speedwell, wandering speedwell | |
Distribution | (Japan) Honshu, Shikoku, Kyushu |
(Other nations) Russia, Korea, China, Mongolia, Europe, Canada, USA, Mexico, Bahamas, Hispaniola, Jamaica, Puerto Rico, Guatemala, Panama, Brazil, Bolivia, Colombia, Ecuador, Argentina, Chile | |
Habitat | Swamp, rice paddy, riverside |
Chromosomal number | 2n=52 |
Description | Plants 5-20cm tall, non hair. Leaves 1.5-2cm long, 3-5mm wide. Flowers calyx 3.5-4.5mm long, white corollas 2-3mm across, flowering in April to May. Annual plants. |
Reference | Veronica peregrina L. |
Veronica peregrina Linnaeus | |
Veronica peregrina L. | |
Veronica peregrina L. | |
Herbicidal method (US Patent 4165229/1979) | |
Methods for regulating the growth of plants and growth regulant compositions (US Patent 4863506/1989) | |
Herbicide and method with the glyphosate-urea adduct of sulfuric acid (US Patent 5116401/1992) | |
Plant control composition and methods of use (US Patent 5221659/1993) | |
Systemic herbicides and methods of use (US Patent 5288692/1994) | |
Glyphosate-sulfuric acid adduct herbicides and use (US Patent 5411944/1995) | |
Herbicide microemulsion-forming-concentrates, microemulsions, and methods (US Patent 7094735/2006) | |
Herbicidal compositions containing glyphosate and bipyridilium (US Patent 7008904/2006) |
May 2007 at Ushiku Forest Park |
May 2007 at Ushiku Forest Park |
May 2007 at Ushiku Forest Park |