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japanese knotweed scientific name

japanese knotweed scientific name

This invasive shrub has vigorous rhizomes and colonizes roadsides and riparian areas. Ecology: Japanese Knotweed forms dense stands and aggressively outcompetes native vegetation. References It goes by the name of Japanese knotweed, or Fallopia japonica. Michigan Department of Natural Resource; Michigan State University Extension. North Carolina State University. Japanese knotweed, (scientific name Fallopia japonica), also known as donkey's rhubarb, was introduced to Britain from the Far East in 1825 as an ornamental plant. Australian Government. It can also create a fire hazard in the dormant season. It is also available in the Europe, British Isles, USA, Canada, New Zealand and Newfoundland. In the late 1800s, it was brought to the United States and was planted in gardens and used for erosion control along roadways and embankments. Michigan Natural Features Inventory. Classification: Plantae The white flowers are on drooping panicles and appear from August to November. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar. Taxonomy. Any mention of trade, products, or firm names is for descriptive purposes only and does not imply endorsement by North Carolina State University. Other scientific names that have been associated with Fallopia Japonica have included the following: Polygonum reynoutria (Makino) University of Maine Cooperative Extension. The https:// means all transmitted data is encrypted — in other words, any information or browsing history that you provide is transmitted securely. See also: Included on California's noxious weed list; see. Extension. The significance of Japanese knotweed (scientific name Fallopia japonica), and the potential problems it can bring, has been the subject of increased publicity in recent years as accounts of it pushing its way through tarmac and concrete and growing at excessive rates have been reported. It is a very aggressive escaped ornamental that is capable of forming dense stands, crowding out all other vegetation and degrading wildlife habitat. Spring growth: red/purple coloured shoots COMMON PROBLEMS ASSOCIATED WITH JAPANESE KNOTWEED Damage to paving, tarmac, asphalt, driveways, car parks, etc, as shoots push through them. Leaves are 4 to 6 inches long and pointed. Persicaria japonica Nakai. Noxious Weed Program. California Department of Food and Agriculture. The section below contains highly relevant resources for this species, organized by source. Its scientific name is Lyme Borreliosis. Both Japanese knotweed and giant knotweed are important concentrated sources of resveratrol and its glucoside piceid, replacing grape byproducts. Japanese knotweed is a member of the buckwheat family. Japanese knotweed (scientific name Fallopia japonica), is sometimes known locally as donkey rhubarb. GRIN-Global. The .gov means it’s official.Federal government websites always use a .gov or .mil domain. Name Japanese knotweed; Scientific Name: Fallopia japonica: Native: Native to Eastern Asia. Persicaria capitata, the pink-headed persicaria, pinkhead smartweed, pink knotweed, Japanese knotweed, or pink bubble persicaria, is an Asian species of plants in the genus Persicaria within the buckwheat family. Identification: Japanese Knotweed is a perennial shrub reaching 4 to 8 feet in height. Pleuropterus zuccarinii . National Invasive Species Information Center, Early Detection & Distribution Mapping System (EDDMapS) - Japanese Knotweed, Invasive Plants of Ohio: Fact Sheet 10 - Japanese Knotweed (PDF | 254 KB), Southeast Exotic Pest Plant Council Invasive Plant Manual - Japanese Knotweed, Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Japanese Knotweed, Giant Knotweed, Bohemian Knotweed (Feb 7, 2011) (PDF | 304 KB), Invasive Plant Atlas of the United States - Japanese Knotweed, New York Invasive Species Information - Japanese Knotweed, Non-native Species Information: Japanese Knotweed, National Exotic Marine and Estuarine Species Information System (NEMESIS): Chesapeake Bay Introduced Species Database -, New Hampshire's Prohibited Invasive Plant Fact Sheets, Invasive Species Best Control Practices - Japanese Knotweed (2012) (PDF | 373 KB), Invasive Plant Species Fact Sheet: Japanese Knotweed (2006) (PDF | 734 KB), Field Guide: Invasive - Japanese Knotweed, Invasive Plants in Pennsylvania: Japanese Knotweed and Giant Knotweed (PDF | 162 KB), King County (Washington) Noxious Weed Control Program - Japanese Knotweed, Noxious Weed Species - Japanese, Giant, and Bohemian Knotweeds, Introduced Species Summary Project - Japanese Knotweed, Invasive Plants and Insects: Japanese and Giant Knotweed, Invasive, Exotic Plants of the Southeast - Japanese Knotweed, Maine Invasive Plants Bulletin: Japanese Knotweed / Mexican Bamboo, Ohio Perennial & Biennial Weed Guide - Japanese Knotweed. Invasive Plant Species Assessment Working Group. Pennsylvania State University. Polygonum zuccarinii . The U.S. Department of Agriculture's Animal and Plant Health Inspection Service (APHIS) has issued the final environmental assessment (EA) for releasing Japanese knotweed psyllid (Aphalara itadori) to manage Japanese, giant, and bohemian knotweeds (Fallopia japonica, F. sachalinensis, and their hybrid, F. x bohemica). Japanese knotweed is the most common of four invasive knotweed taxa present in the UK (Japanese and Dwarf knotweeds being varieties of the same species): The scientific names of Polygonum cuspidatumor Reynoutria japonicaare also used. Cooperative Extension. Japanese knotweed is native to Japan, Taiwan and China It was introduced to Britain by the Victorians in the 1800s as an ornamental garden plant. ARS. Cooperative Extension. Maps can be downloaded and shared. Washington State Noxious Weed Control Board. Indiana Department of Natural Resources. – Japanese knotweed National Genetic Resources Program.   It prefers sunny, moist areas, including riverbanks, roadsides, lawns, and gardens. When using herbicides remember to follow label-recommendations. Pennsylvania Sea Grant. Japanese Knotweed Japanese knotweed, scientific name Fallopia japonica, is a perennial plant with a matrix of vigorous underground stems called rhizomes.It has distinctive, branching, hollow, bamboo-like stems, covered in purple speckles, often reaching 2-3 m high. Japanese knotweed is native to eastern Asia and was imported to England in the mid-1800s as an ornamental. Scientific name: Reynoutria japonica var. After careful analysis, APHIS has determined that releasing Japanese knotweed psyllid within the continental United States is not likely to have a significant impact on the environment. Japanese knotweed, an escaped ornamental, is a shrubby perennial that was first introduced in the United States from Asia. Going Native: Urban Landscaping for Wildlife with Native Plants. Division of Plant Industry. Family Polygonaceae Scientific Name Polygonum cuspidatum ← → Other Common Names: Japanese bamboo. It spreads by water dispersed seeds and through transport by humans. Reynoutria japonica, Polygonum cuspidatum) Giant knotweed: Fallopia sachalinensis (syns. Fallopia japonica . It grows in Asian countries from South China including Taiwan and Japan to east Asia. • It is listed under schedule 9 of the Wildlife and Countryside Common Name: Japanese knotweed, Mexican bamboo. University of Georgia. Provides state, county, point and GIS data. Its scientific name is Fallopia Japonica but the family also includes derivatives such as Giant Knotweed and Himalayan Knotweed. Department of the Environment and Energy. In Japan, known as itadori. Although used for various applications, few clinical studies validate claims and guidance regarding dosing or safety is limited. Japanese knotweed is a perennial herbaceous plant. It is considered an invasive plant in the United States. Japanese knotweed plants in Europe and North America ar… JAPANESE KNOTWEED Scientific Name: Fallopia japonica Maximum Stem height: 3–4 m (9.8–13.1 ft) 2. USDA. Polygonum L. – knotweed Species: Polygonum cuspidatum Siebold & Zucc. Japanese knotweed escaped cultivation, overtook desirable vegetation and was recognized as a problem by the early 1900s. Is It Here Yet? This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. 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. New Hampshire Department of Agriculture, Markets, and Food. Japanese and American authors still often refer to Japanese knotweed as Polygonum cuspidatum. Gallery: Common names: Japanese knotweed (Japanese bamboo, sally rhubarb, fleeceflower, and Himalayan fleece vine, Mexican bamboo, false bamboo) Giant knotweed (sacacline, sakhalin knotweed) Bohemian knotweed (Japanese-Giant hybrid) Scientific Name: Japanese knotweed: Fallopia japonica (syns. Smithsonian Institution. Google. A paper published in the 1980's placed species from the Tiniaria and Reynoutria genera (see below) together in the genus Fallopia , based on flower morphology (see Ronse Decraene, L.-P. and J. R. Akeroyd (1988). The common name in English is Japanese knotweed. USDA. The fruits are small, brown, and triangular in shape and mature from September to January. Pennsylvania Department of Conservation and Natural Resources. Pennsylvania State University. Scientific Name: Polygonum cuspidatum (most common name in U.S. and Japan), also known as Reynoutria japonica (most common in U.K. and Europe), a movement exists to standardize name as Fallopia japonica. It is the most invasive plant in Guernsey (and in Britain). University of Alaska - Anchorage. Japanese knotweed, fleeceflower, Mexican bamboo, huzhang. In 70 to 80 percent of the infected persons, a rash occurs at the site of bite after a delay of about 3 to 30 days. Huzhang (Japanese Knotweed) has been used in traditional Chinese medicine as well as in Japan and Korea for many years. Japanese knotweed. The U.S. Department of Agriculture's Animal and Plant Health Inspection Service (APHIS) has issued the final environmental assessment (EA) for releasing Japanese knotweed psyllid (Aphalara itadori) to manage Japanese, giant, and bohemian knotweeds (Fallopia japonica, F. … The plant arrived from Japan to the U.K. and then to North America in the 19th century as a landscaping ornamental. The stems are reddish-brown and freely branched. YouTube; University Nebraska - Lincoln. Glyphosate by itself will not harm aquatic habitats but surfactant-loaded glyphosate formulations like Roundup can be highly toxic to amphibians, frogs, and other aquatic fauna. It grows very aggressively along roadways, neglected gardens, streambeds, and in moist, wet places. Synonyms (former Scientific Names): Pleuropterus cuspidatus . Or, to display all related content view all resources for Japanese Knotweed. Conservation Services Division. Columbia University. While Japanese knotweed was originally placed in the large genus Polygonum (see below), taxonomists in Europe have long seen reason to separate this and closely related species taxonomically. Identifying Japanese Knotweed . Plant Control: Apply a glyphosate herbicide in combination with cutting. Reynoutria japonica . Overview Other names for this plant include: Common names: Japanese bamboo, Mexican bamboo, fleece flower; Scientific names: Fallopia japonica; Polygonum reynoutria; Reynoutria japonica Ecological threat: New infestations of Japanese knotweed often occur when soil contaminated with rhizomes is transported or when rhizomes are washed downstream during flooding. The stems are reddish-brown and freely branched. Alaska Center for Conservation Science. Many large supplement sources of resveratrol now use Japanese knotweed and use its scientific name in the supplement labels. It is commonly known as Asian knotweed or Japanese knotweed. Ontario's Invading Species Awareness Program (Canada). Wisconsin Department of Natural Resources. japonica in the UK. Identification: Japanese Knotweed is a perennial shrub reaching 4 to 8 feet in height. The closely related Fallopia sachalinensis can hybridize with F. japonica to form Fallopia x bohemica, first described in 1983, which is proving to be more problematic than F. japonica var. For information specific to the activity of resveratrol, see … King County Department of Natural Resources (Washington). Animal and Plant Health Inspection Service. Smithsonian Environmental Research Center. Tall herbaceous perennial with bamboo like stems. Fever, headache, and fatigue may include early symptoms of Lyme. Monitor re-growth and re-treat as needed to achieve control. Washington Invasive Species Council. It was prized and planted in many famous gardens. Washington State Recreation and Conservation Office. Japanese knotweed – Fallopia japonica Japanese knotweed is the flowering plant in the Buckwheat family Polygonaceae. It is native to East Asia in Japan, China and Korea. If the Japanese Knotweed is in an aquatic habitat, you will need to use a product such as Rodeo or AquaNeat. Japanese Knotweed. Ohio Agricultural Research and Development Center. Scientific name: Fallopia japonica Also known as: Japanese Bamboo, Pysen Saethwr Key Facts • Japanese knotweed (Fallopia japonica) is an invasive plant that can cause damage to property, and is very difficult to control once established. It was first introduced to the UK in the mid nineteenth century as an ornamental plant. Great Britain Non-Native Species Secretariat. Center for Invasive Species and Ecosystem Health. Water and Land Resources Division. It is native to Asia (China, Indian Subcontinent, Indochina) and grown as an ornamental in other countries. Leaves are 4 to 6 inches long and pointed. Ohio State University. Based on this determination, APHIS will not prepare an environmental impact statement and will begin issuing permits for the release of Japanese knotweed psyllid. Cut the stems off above the waterline and treat the outer cut surface (the stems are hollow) with a plain glyphosate product such as Accord or Rodeo (53.8%). Reynoutria japonica, synonyms Fallopia japonica and Polygonum cuspidatum, is a large species of herbaceous perennial plant of the knotweed and buckwheat family Polygonaceae. japonica (previously Fallopia japonica) Other Schedule 9 Species: Dwarf knotweed, Giant knotweed, Bohemian (hybrid) knotweed What is Japanese knotweed? Japanese Knotweed, also known as Donkey’s Rhubarb or Mexican bamboo (scientific name Fallopia japonica), was introduced to Britain from the Far East in 1825 as an ornamental plant. Colorado Department of Agriculture. upright, tall, smooth, noticeably jointed, hollow between nodes, reddish-purple mottling, ocrea (papery or membranous sheath) at nodes Cornwall County Council (United Kingdom). Common Name: Japanese Knotweed. Common names include Fleece Flower, Monkeyweed, Himalayan Fleece Vine, Hancock’s Curse, Tiger Stick, Pea Shooters, Sally Rhubarb, Donkey Rhubarb, Mexican Bamboo, Huzhang or Japanese Polygonum. Why is it a problem? It is difficult to control once established. Alternative Native Species: Virginia Willow (Itea virginica), Sweet Pepperbush (Clethra alnifolia). Scientific Name: Polygonum cuspidatum. It is the most invasive plant in Britain. Scientific name: Fallopia japonica AKA: Japanese Bamboo, Pysen saethwr (Welsh), Polygonum cuspidatum, Reynoutria japonica Native to: Japan, Taiwan, northern China Habitat: Common in urban areas, particularly on waste land, railways, road sides and river banks. Japanese Knotweed (Fallopia japonica) is an invasive, perennial herbaceous plant that is also known as Mexican Bamboo, Fleeceflower, Japanese Polygonum or Huzhang. It presents a pleasing appearance to the eye: heart-shaped leaves, bamboo stems and pretty, little white-flower tassels. 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Still often refer to Japanese knotweed escaped cultivation, overtook desirable vegetation and was imported to in... The dormant season an ornamental by an SSL ( Secure Sockets Layer ) certificate that ’ s official.Federal government always... Nineteenth century as an ornamental plant as an ornamental ( Canada ) Asia and was as! 4 to 6 inches long and pointed   it prefers sunny, moist areas including! Isles, USA, Canada, New Zealand and Newfoundland SSL ( Sockets... As needed to achieve Control bamboo stems and pretty, little white-flower tassels Mexican. In an aquatic habitat, you will need to use a.gov or.mil domain a appearance... Canada, New Zealand and Newfoundland 8 feet in height mature from September to January is considered an invasive in! State University Extension weed list ; see including Taiwan and Japan to the U.K. and then North. 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