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Japanese knotweed (Fallopia japonica, syn. Polygonum cuspidatum, Reynoutria japonica) is a large, herbaceous perennial plant, native to eastern Asia in Japan, China and Korea. Japanese knotweed File links The following pages link to this file: Japanese knotweed Categories: Images with unknown source ...
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Classes Magnoliopsida - Dicots Liliopsida - Monocots The flowering plants or angiosperms are the most widespread group of land plants. ...
Orders See text. ...
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Genera See text The Polygonaceae, or the Knotweed Family, are a group of dicots including buckwheat, sorrel (but not wood sorrel), rhubarb, and knotgrass. ...
The genus Fallopia is named after Gabriello Fallopio or Fallopius who was the superintendent of the botanical garden at Padua. ...
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Houttuynia cordata Maarten Houttuyn (1720–1798), Latinised as Martinus Houttuyn, was a Dutch naturalist. ...
In scientific classification, synonymy is the existence of multiple systematic names to label the same organism. ...
This article is about the plants used in cooking and medicine. ...
Red Valerian, a perennial plant. ...
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This article is about the Korean peninsula and civilization. ...
A member of the family Polygonaceae, Japanese knotweed has hollow stems with distinct raised nodes that give it the appearance of bamboo, though it is not related. While stems may reach a maximum height of 3–4 m each growing season, it is typical to see much smaller plants in places where they sprout through cracks in the pavement or are repeatedly cut down. The leaves are broad oval with a truncated base, 7–14 cm long and 5–12 cm broad, with an entire margin. The flowers are small, creamy white, produced in erect racemes 6–15 cm long in late summer and early autumn. Genera See text The Polygonaceae, or the Knotweed Family, are a group of dicots including buckwheat, sorrel (but not wood sorrel), rhubarb, and knotgrass. ...
A node is the place on a stem where a lateral meristem develops as either a lateral bud or a secondary shoot, often subtended by a leaf. ...
For other uses, see Bamboo (disambiguation). ...
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This inflorescence of the terrestrial orchid Spathoglottis plicata is a typical raceme. ...
Closely related species include giant knotweed (Fallopia sachalinensis, syn. Polygonum sachalinense) and Russian vine (Fallopia baldschuanica, syn. Polygonum aubertii, Polygonum baldschuanicum). Binomial name Fallopia sachalinensis (Polygonum sachalinense) is a hardy perennial herb, six to twelve feet (2 to 4 m) high, with strong, extensively spreading rootstocks, broad, nearly heart-shaped leaves often a foot (0. ...
Other English names for Japanese knotweed include fleeceflower, Huzhang (Chinese: 虎杖; pinyin: Hǔzhàng), Hancock's curse, elephant ears, donkey rhubarb (although it is not a rhubarb), sally rhubarb, Japanese bamboo, American bamboo, and Mexican bamboo (though it is not actually a bamboo). Pinyin, more formally called Hanyu Pinyin (Simplified Chinese: ; Traditional Chinese: ; Pinyin: ), is the most common variant of Standard Mandarin romanization system in use. ...
For other uses see Rhubarb (disambiguation) Species About 60, including: R. nobile R. palmatum Rhubarb is a perennial plant that grows from thick short rhizomes, comprising the genus Rheum. ...
In Japanese, the name is "itadori" (usually written in katakana). There are also regional names, and it is sometimes confused with sorrel. Katakana ) is a Japanese syllabary, one component of the Japanese writing system along with hiragana, kanji, and in some cases the Latin alphabet. ...
Binomial name Rumex acetosa L. The common sorrel, or spinach dock, Ambada bhaji is a perennial herb, which grows abundantly in meadows in most parts of Europe and is cultivated as a leaf vegetable. ...
Japanese Knotweed is a primary commercial source of Resveratrol supplements. Huzhang root extract is a traditional Chinese medicinal treatment. It is also known as He Shou Wu, and the prepared herb is used as a blood tonic. Image File history File linksMetadata Size of this preview: 800 × 600 pixelsFull resolution (2560 × 1920 pixel, file size: 1. ...
Image File history File linksMetadata Size of this preview: 800 × 600 pixelsFull resolution (2560 × 1920 pixel, file size: 1. ...
Resveratrol is a phytoalexin produced naturally by several plants when under attack by bacteria or fungi. ...
Japanese Knotweed is considered an invasive pest in much of the US, UK, and elsewhere.
Cultivation and naturalisation
 Old stems remain in place as new growth appears Japanese knotweed was first introduced to Europe and North America in the late 19th century for ornamental use, for planting to prevent soil erosion, and sometimes as a forage crop for grazing animals. It is sometimes considered an invasive species or weed. It is a frequent colonizer of temperate riparian ecosystems, roadsides and waste places. It can be found in 39 of the 50 United States (PUSDA) and in six provinces in Canada. The species is also common in Europe. In the U.K. it was made illegal to spread Japanese knotweed by the Wildlife and Countryside Act 1981, and is listed by the World Conservation Union as one of the world's 100 worst invasive species.[1] Image File history File linksMetadata Size of this preview: 800 × 600 pixelsFull resolution (2560 × 1920 pixel, file size: 1. ...
Image File history File linksMetadata Size of this preview: 800 × 600 pixelsFull resolution (2560 × 1920 pixel, file size: 1. ...
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North America North America is a continent[1] in the Earths northern hemisphere and (chiefly) western hemisphere. ...
Alternative meaning: Nineteenth Century (periodical) (18th century — 19th century — 20th century — more centuries) As a means of recording the passage of time, the 19th century was that century which lasted from 1801-1900 in the sense of the Gregorian calendar. ...
Lantana invasion of abandoned citrus plantation; Moshav Sdey Hemed, Israel The term invasive species refers to a subset of introduced species or non-indigenous species that are rapidly expanding outside of their native range. ...
Yellow starthistle, a thistle native to southern Europe and the Middle East that is an invasive weed in parts of North America. ...
For the usage in virology, see temperate (virology). ...
A riparian zone schematic from the Everglades. ...
A coral reef near the Hawaiian islands is an example of a complex marine ecosystem. ...
“UK†redirects here. ...
The Wildlife and Countryside Act 1981 is an Act of Parliament in the United Kingdom which aims to protect the wildlife and countryside of the United Kingdom. ...
The World Conservation Union or International Union for the Conservation of Nature and Natural Resources (IUCN) is an international organization dedicated to natural resource conservation. ...
Uses Japanese knotweed flowers are valued by some beekeepers as an important source of nectar for honeybees, at a time of year when little else is flowering. Japanese knotweed yields a nice monofloral honey, usually called "bamboo" honey by northeastern U.S. beekeepers like a mild-flavored version of buckwheat honey (a related plant also in the Polygonaceae). Image File history File linksMetadata Size of this preview: 800 × 600 pixelsFull resolution (1024 × 768 pixel, file size: 167 KB, MIME type: image/jpeg) Detail of a Japanese Knotweed stalk. ...
Image File history File linksMetadata Size of this preview: 800 × 600 pixelsFull resolution (1024 × 768 pixel, file size: 167 KB, MIME type: image/jpeg) Detail of a Japanese Knotweed stalk. ...
Monofloral honey is a type of honey which has a high value in the marketplace because it has a distictive flavor or other attribute due to its being predominately from the nectar of one plant species. ...
Motto: (Out Of Many, One) (traditional) In God We Trust (1956 to date) Anthem: The Star-Spangled Banner Capital Washington D.C. Largest city New York City None at federal level (English de facto) Government Federal constitutional republic - President George Walker Bush (R) - Vice President Dick Cheney (R) Independence from...
A beekeeper is a person who keeps honey bees for the purposes of securing commodities such as honey, beeswax, pollen; pollinating fruits and vegetables; raising queens and bees for sale to other farmers; and/or for purposes satisfying natural scientific curiosity. ...
Binomial name Fagopyrum esculentum Moench Common buckwheat (Fagopyrum esculentum) is a plant in the genus Fagopyrum (sometimes merged into genus Polygonum) in the family Polygonaceae. ...
The young stems are edible as a spring vegetable, with a flavor similar to mild rhubarb. In some locations, semi-cultivating Japanese knotweed for food has been used as a means of controlling knotweed populations that invade sensitive wetland areas and drive out the native vegetation.[2] A plate of vegetables Vegetable is a culinary term which generally refers to an edible part of a plant. ...
For other uses see Rhubarb (disambiguation) Species About 60, including: R. nobile R. palmatum Rhubarb is a perennial plant that grows from thick short rhizomes, comprising the genus Rheum. ...
Both Japanese knotweed and giant knotweed are important concentrated sources of resveratrol, replacing grape byproducts.[3] Many large supplement sources of Resveratrol now use Japanese knotweed and use its scientific name in the supplement labels.[4] Japanese knotweed is harvested because of its year round growth, and robustness in different climates, although it is still considered a troublesome weed.[5] Resveratrol is a phytoalexin produced naturally by several plants when under attack by bacteria or fungi. ...
Japanese knotweed is a concentrated source of emodin, used as a nutritional supplement to regulate bowel motility. "Extract from the roots of Polygonum cuspidatum is used in traditional Chinese and Japanese herbal medicines as a natural laxative. The active principle responsible for the laxative effect is emodin, present in its natural form as a complex of its analogs. It has been reported that emodin has a mild laxative effect in doses of 20 to 50 mg per day."[6] Emodin (from Rheum emodi, a Himalayan rhubarb) 1. ...
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