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Reynoutria japonica, synonyms Fallopia japonica and Polygonum cuspidatum, is a species of herbaceous perennial plant in the knotweed and buckwheat family Polygonaceae. [1] [2] Common names include Japanese knotweed [2] and Asian knotweed. [3]
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]
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.
After flowering between June and October, the plant forms seed pods 2 to 3 cm (3 ⁄ 4 to 1 + 1 ⁄ 4 in) long and 8 mm broad (1 ⁄ 4 in), which explode when disturbed, [6] scattering the seeds up to 7 metres (23 feet). The green seed pods, seeds, young leaves and shoots are all edible. The flowers can be turned into a jam or parfait. [7]
Polygonum is a genus of about 130 species of flowering plants in the buckwheat and knotweed family Polygonaceae. Common names include knotweed and knotgrass (though the common names may refer more broadly to plants from Polygonaceae). In the Middle English glossary of herbs Alphita (c. 1400–1425), it was known as ars-smerte.
Mar. 16—Bamboo has a bad reputation in Maine. Many gardeners think of it as an incredibly invasive and aggressive plant. However, much of this is because Mainers mistake Japanese knotweed, an ...
Reynoutria sachalinensis is a herbaceous perennial plant growing to 2–4 m (79–157 in) tall, with strong, extensively spreading rhizomes forming large clonal colonies. The leaves are some of the largest in the family, up to 15–40 cm (6–15.5 in) long and 10–28 cm (4–11 in) broad, nearly heart-shaped, with a somewhat wavy, crenate margin.
Japanese Knotweed. Not only can Japanese Knotweed wreak havoc on your garden, but it can also be extremely difficult to fully eradicate. “Japanese Knotweed is another invasive species that can ...