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[1] [2] Common names include Japanese knotweed [2] and Asian knotweed. [3] It is native to East Asia in Japan , China and Korea . In North America and Europe , the species has successfully established itself in numerous habitats, and is classified as a pest and invasive species in several countries.
Reynoutria is a genus of flowering plants in the Polygonaceae, also known as the knotweed or buckwheat family.The genus is native to eastern China, Eastern Asia and the Russian Far East, although species have been introduced to Europe and North America. [1]
Reynoutria japonica or Japanese knotweed, a highly invasive species in Europe and North America Index of plants with the same common name This page is an index of articles on plant species (or higher taxonomic groups) with the same common name ( vernacular name).
Japanese knotweed (Reynoutria japonica), native to Asia, is one of the most damaging invasive alien plants in the world. [3] It became her major research focus and led to publication of a groundbreaking analysis of the history and distribution of this invasive weed in 1977. [ 4 ]
The basal bark treatment consists of application of herbicide to all basal parts of the plant below 12-15 inches. [19] The bark must be thoroughly wet with herbicide for this treatment to be most effective. [19] The USDA suggests that 25% triclopyr and 75% horticultural oil is the most effective herbicide composition for basal bark treatments. [5]
Persicaria capitata, the pink-headed persicaria, [2] pinkhead smartweed, [3] pink knotweed, Japanese knotweed, or pink bubble persicaria, is an Asian species of plants in the genus Persicaria within the Polygonaceae (US: buckwheat) family.