There are pictures of Japanese knotweed leaves, stems, flowers and roots for useful identification. Eradication requires determination as it is very hard to remove by hand or eradicate with chemicals. Japanese Knotweed roots or rhizomes are the extensive underground part of the plant. Japanese knotweed - fallopia japonica - Which is classed as an invasive weed, and grows very quickly. Japanese knotweed is an invasive ornamental plant that can be tough to remove. compacta, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-var-compacta-73394645.html, https://www.alamy.com/japanese-knotweed-image62791021.html, https://www.alamy.com/stock-photo-new-spring-shoots-of-japanese-knotweed-fallopia-japonica-introduced-50634686.html, https://www.alamy.com/stock-photo-japanese-knotweed-growing-vigerously-in-a-maesteg-graveyard-it-is-12892380.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-58244116.html. Copyright © 21/12/2020 Alamy Ltd. All rights reserved. By Paolo Martini on 2nd July 2019 (updated: 9th December 2020) in News. For more information on Japanese Knotweed, visit our what is Japanese Knotweed web page. Japanese knotweed, Reynoutria japonica (synomyns: Fallopia japonica and Polygonum cuspidatum) is the most widespread form of knotweed in the UK.Stems form a zig-zag growth pattern, with one stem shoot per node. Download Knotweed stock photos. Polygonum cuspidatum), an herbaceous perennial member of the buckwheat family, was introduced from East Asia in the late 1800s as an ornamental and to stabilize streambanks. Japanese knotweed (Fallopia japonica), Islay, Scotland, UK, June. Japanese Knotweed Root is an angiogenesis modulator, stimulating the formation of new blood vessels and the healing of damaged ones in areas such as burned skin, but also stops the development of new vessels and blood flow in areas where it should not occur, … Syn. Many bamboos (the ‘running’ variety) will migrate outwards and, because Japanese knotweed also spreads this may be a factor in the two plants being confused. If you have identified roots like the ones described, and want to speak to a Japanese knotweed professional urgently, call … Copyright complaints  ~   Fallopia japonica, commonly known as Japanese knotweed, is a large, herbaceous perennial plant of the family Polygonaceae. In winter the plant dies back to ground level but by early summer the bamboo-like stems emerge from rhizomes deep underground to shoot to over 2.1m (7ft), suppressing all other plant growth. For new builds, it can be used to line the foundations, for full protection. For information specific to the activity of resveratrol, see … Remove as many sharp objects from the area as possible, including the cut stumps. https://www.alamy.com/stock-photo-japanese-knotweed-or-fallopia-japonica-at-the-side-of-a-road-with-135746211.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-24343329.html, Japanese Knotweed (Fallopia japonica, Reynoutria japonica), view of FFH area Heisinger Ruhraue in Ruhr Valley, Japanese Knotweed in the foreground, Germany, North Rhine-Westphalia, Ruhr Area, Essen, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-view-of-ffh-47942208.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-73394649.html. Sitemap. You’ll know Japanese Knotweed by its spade-shaped leaves, which can grow up to five and a half inches in length. Japanese knotweed (Fallopia japonica syn. This method should also be used alongside other methods for knotweed control, like herbicides and adding a root barrier. It's name is Japanese knotweed. https://www.alamy.com/the-invasive-plant-specifies-japanese-knotweed-reynoutria-japonica-fallopia-japonica-or-polygonum-cuspidatum-grows-beside-a-river-embankment-image260284660.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-syn-polygonum-cuspidatum-reynoutria-49813809.html, Japanese knotweed (Polygonium cuspidatum) plants growing in hedgerow close up, https://www.alamy.com/stock-photo-japanese-knotweed-polygonium-cuspidatum-plants-growing-in-hedgerow-26244287.html, Japanese Knotweed that has been treated to eradicate this invasive plant, https://www.alamy.com/stock-photo-japanese-knotweed-that-has-been-treated-to-eradicate-this-invasive-89142091.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-73394647.html. Affordable and search from millions of royalty free images, photos and vectors. Roots on Japanese knotweed Underground roots are known as rhizome. https://www.alamy.com/stock-photo-japanese-knotweed-partially-covers-an-invasive-plant-sign-88352659.html. Its close relative, giant knotweed (Fallopia sachalinensis), is very similar in appearance and ecology, and the two species form the hybrid bohemian knotweed (Fallopia … If you’re looking to identify Japanese knotweed by use of pictures? Japanese knotweed can grow through tarmac and cause structural damage to properties, Japanese knotweed is particularly difficult to eradicate. However, when it grows, it can pass through concrete, building foundations, electrical cabling and piping – causing vast amounts of damage to homes and properties throughout the UK. Japanese knotweed, Fallopia japonica, is a pervasive garden weed with creeping roots and bamboo-like stems with large, heart-shaped leaves, that can quickly take over its growing space.Removing Japanese knotweed can be difficult, earning it its reputation as one of the most troublesome garden weeds. A seedling of seriously invasive plant Japanese Knotweed taking root on a fallen dead tree in Kelvingrove Park, Glasgow, https://www.alamy.com/stock-photo-a-seedling-of-seriously-invasive-plant-japanese-knotweed-taking-root-48196309.html, Japanese knotweed fallopia japonica Devon UK, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-devon-uk-39032376.html, Gardens in Quarry Bank Mill, Cheshire UK, showing a sign on Japanese Knotweed pest, https://www.alamy.com/stock-photo-gardens-in-quarry-bank-mill-cheshire-uk-showing-a-sign-on-japanese-85730737.html, https://www.alamy.com/stock-photo-japanese-knotweed-79659810.html, A sign warning of Japanese knotweed and warning of controlled entry, https://www.alamy.com/stock-photo-a-sign-warning-of-japanese-knotweed-and-warning-of-controlled-entry-120165578.html, https://www.alamy.com/stock-photo-japanese-knotweed-growing-vigerously-in-a-maesteg-graveyard-it-is-12892379.html, https://www.alamy.com/stock-photo-japanese-knotweed-widespread-103624712.html, Do Not Enter sign on property invaded by Japanese Knotweed in Sheffield, https://www.alamy.com/stock-photo-do-not-enter-sign-on-property-invaded-by-japanese-knotweed-in-sheffield-82381344.html, A sign reading 'Japanese knotweed area keep out' on a hillside beside a construction site, https://www.alamy.com/a-sign-reading-japanese-knotweed-area-keep-out-on-a-hillside-beside-image62765138.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-95028027.html, Japanese knotweed in its winter stage, encroaches on an housing estate in cornwall, uk, https://www.alamy.com/stock-photo-japanese-knotweed-in-its-winter-stage-encroaches-on-an-housing-estate-33577829.html, https://www.alamy.com/stock-photo-japanese-knotweed-reynoutria-japonica-regrowth-of-plants-after-herbicide-50788998.html, japanese knotweed an invasive and flourishing plant encroaching onto the side of a country lane in somerset,england, https://www.alamy.com/stock-photo-japanese-knotweed-an-invasive-and-flourishing-plant-encroaching-onto-17682396.html, Japanese knotweed (Fallopia japonica) stem or stalk, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-stem-or-stalk-83167952.html, https://www.alamy.com/stock-photo-a-sign-warning-of-japanese-knotweed-invasion-74242614.html, Growing to over six feet tall Japanese Knotweed is an invasive plant which can seriously damage buildings and construction sites, https://www.alamy.com/stock-photo-growing-to-over-six-feet-tall-japanese-knotweed-is-an-invasive-plant-114721048.html, https://www.alamy.com/japanese-knotweed-or-fallopia-japonica-image179692922.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-blooming-germany-47940000.html, https://www.alamy.com/a-close-up-of-japanese-knotweed-image60480500.html, Japanese Knotweed (Fallopia japonica, Reynoutria japonica), blooming, Germany, North Rhine-Westphalia, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-blooming-germany-47887210.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-devon-uk-39032404.html, Japanese Knotweed (Fallopia japonica, Reynoutria japonica), flowering, Germany, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-flowering-75976206.html, https://www.alamy.com/stock-photo-weeding-of-japanese-knotweed-in-a-garden-85558139.html, Japanese Knotweed (Fallopia japonica, Reynoutria japonica), blooming branches, Germany, Nordrhein Westfalen, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-blooming-branches-76116938.html, https://www.alamy.com/stock-photo-japanese-knotweed-growing-vigerously-in-a-maesteg-graveyard-it-is-12892385.html, Japanese Knotweed Control Site Warning Sign, UK, https://www.alamy.com/stock-photo-japanese-knotweed-control-site-warning-sign-uk-79558607.html, https://www.alamy.com/stock-photo-do-not-enter-sign-on-property-invaded-by-japanese-knotweed-in-sheffield-82381340.html, Japanese Knotweed - Fallopia japonica Invasive alien plant, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-invasive-alien-plant-52690809.html, Japanese Knotweed Fallopia japonica, Reynoutria japonica, blooming plants, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-blooming-plants-88441061.html, Japanese Knotweed growing near roadside Alderley Edge Cheshire England, https://www.alamy.com/stock-photo-japanese-knotweed-growing-near-roadside-alderley-edge-cheshire-england-30117164.html, https://www.alamy.com/stock-photo-japanese-knotweed-reynoutria-japonicaflowering-plants-50788903.html, Japanese Knotweed, Fallopia japonica Reynoutria japonica, young leaves, invasive plant, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-young-leaves-82028836.html, https://www.alamy.com/stock-photo-growing-to-over-six-feet-tall-japanese-knotweed-is-an-invasive-plant-114721067.html. https://www.alamy.com/stock-photo-invasive-species-concept-japanese-knotweed-fallopia-japonica-site-110380212.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-young-leaves-82028831.html, Japanese Knotweed (Fallopia japonica, Reynoutria japonica), blooming plants at Ruhr-Valley Cycleway, Germany, Nordrhein Westfalen, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-blooming-plants-76116939.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-25875899.html, Japanese knotweed fallopia japonica growing wild, uk, https://www.alamy.com/japanese-knotweed-fallopia-japonica-growing-wild-uk-image184900360.html. Introduced invasive species. Terms and conditions  ~   No need to register, buy now! May 5, 2013 - Explore Darran Roper's board "Japanese knotweed photos" on Pinterest. Rob Waistell who's bungalow (cream coloured building) in Maesteg, Wales, UK, is blighted by the Japanese Knotweed that has spread along the railway. Further help can be found on our Japanese knotweed identification page, which contains handy hints to look out for when identifying knotweed.. Ceredigion, Wales. Alamy and its logo are trademarks of Alamy Ltd. and are registered in certain countries. Our helpful gallery of Japanese knotweed images show you exactly what to look for if you suspect that you have an infestation of this highly invasive and damaging plant. Reynoutria japonica, synonyms Fallopia japonica and Polygonum cuspidatum, is a large species of herbaceous perennial plant of the knotweed and buckwheat family Polygonaceae. Homeowners should be particularly wary of it, as the presence of Japanese knotweed … japanese knotweed images. Japanese Knotweed is easily confused with other plant species that are similar in appearance. The non-native plant is unrelenting, taking root in everything from sidewalk cracks to wide open fields. The nodes are usually spaced approximately one or two centimetres apart. When mature in winter the stems become brittle and can be snapped easily. 820 japanese knotweed stock photos, vectors, and illustrations are available royalty-free. Although used for various applications, few clinical studies validate claims and guidance regarding dosing or safety is limited. Japanese Knotweed partially covers an invasive plant sign. Similar Images ... Fo-ti root powder isolated on white. For further information on identifying Japanese Knotweed at different times of the year, visit our Japanese Knotweed identification web page. Stems on Japanese knotweed Stems are hollow and bamboo-like. Stems grow to 2-3 metres tall. Whether you spray herbicide in the area or not, digging out the Knotweed roots is another strategy you can use for long-term removal of the weed. Polygonum cuspidatum. of 9. knotweed japnese knotweed knotweeds fallopia japonica knotweed leaf japanese knottweed knotweed isolated warning invasive plants japanese knotweed flowers invasive species. Only the female form of the plant is present in the UK and therefore, it cannot pollinate and produce any viable seed, other than hybridising with other similar knotweed species. DENDRO-SCOTT™ Root Barrier is environmentally friendly and impermeable. It is very resilient and regrows vigorously after being cut down. Japanese knotweed leaves and bamboo leaves are not the same shape at all and knotweed loses its leaves in late autumn, unlike bamboo which usually retains its leaves all year round in the UK. Our helpful gallery of Japanese knotweed images show you exactly what to look for if you suspect that you have an infestation of this highly invasive and damaging plant. Japanese Knotweed / Fallopia japonica site in a field edge, Cornwall. Japanese knotweed spreads mainly from its underground rhizomes/roots which lie dormant, but alive, over the winter months. 5. Find the perfect japanese knotweed stock photo. Specialists in the removal and treatment of Japanese Knotweed. It can grow as much as eight inches a … The most effective method of eradicating it is by using glyphosate in the late summer or autumn, when it is close to its flowering stage. Japanese knotweed growing in a hedgerow after being fly tipping, Hattingley, Hampshire, England.   It prefers sunny, moist areas, including riverbanks, roadsides, lawns, and gardens. Japanese Knotweed Specialists are one of the UK’s leading contractors and consultants in the control, treatment and removal of Japanese Knotweed and other Invasive Weeds. japanese knotweed flowering japanese knotweed flowering, invasive weed ,classified as controlled waste under the Environmental Protection Act 1990, it grows from tiny fragments of rhizomes the underground network of stems and roots , it spreads easily and can work it's way through concrete and tarmac , its roots can go down up to 3m deep. https://www.alamy.com/stock-image-rob-waistell-whos-bungalow-cream-coloured-building-in-maesteg-wales-165320447.html, Japanese knotweed growing on sea cliffs at Scarborough North Yorkshire UK, https://www.alamy.com/stock-photo-japanese-knotweed-growing-on-sea-cliffs-at-scarborough-north-yorkshire-25790723.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-young-leaves-82028835.html, https://www.alamy.com/japanese-knotweed-fallopia-japonica-image212290950.html, Japanese knotweed (Fallopia japonica) growing in a urban location, England, UK, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-growing-in-a-urban-location-england-104896017.html. The plant arrived from Japan to the U.K. and then to North America in the 19th century as a landscaping ornamental. Japanese Knotweed or fallopia japonica, at the side of a road with a sign warning not to cut. Japanese knotweed ( Fallopia japonica ) is a weed that spreads rapidly. The Grounds Care Group Acquires Japanese Knotweed Management, Read about Japanese Knotweed in FMUK magazine, Building Engineer Magazine publishes article on Knotweed, The consequences of letting Japanese Knotweed spread. Here is a selection of our latest pictures taken of Japanese knotweed surveys and removal projects we have been working on in Cornwall, Devon and Somerset. Japanese knotweed spreads as a result of the plants' stems, or rhizomes (underground roots) being moved and spread around. Japanese Knotweed Identification – A Complete Guide. New stems combined with fresh shoots take on the appearance of asparagus spears. To see what Japanese Knotweed looks like, check out our pictures of Japanese Knotweed page. https://www.alamy.com/stock-photo-japanese-knotweed-growing-in-a-hedgerow-after-being-fly-tipping-hattingley-29886509.html, https://www.alamy.com/stock-photo-japanese-knotweed-71915835.html, japanese knotweed, fallopia japonica var. Photos of damage caused by Knotweed Identifying Japanese Knotweed . ... Japanese knotweed, invasive plant aka Reynoutria japonica, Fallopia.. Japanese knotweed can look very different throughout the year and can cause all different sorts of damage. Vectors. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. The leaves are fairly smooth, mid-green in colour, with a characteristic straight top edge, giving the leaf a shield or shovel-type shape. Cut all of the Japanese knotweed plants down to the ground. ... japanese knotweed - knotweed stock pictures, ... herb with heart-shaped leaves and flowers on long stems, and roots - knotweed stock illustrations. To get an idea of what you should be looking for, take a peek at the picture galleries below. Our Japanese Knotweed images should help you to identify what Knotweed looks like as well as key defining characteristics such as its shoots, buds, leaves, flowers and stem. The rhizome is bright orange or yellow. https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-islay-scotland-uk-june-137110457.html, https://www.alamy.com/japanese-knotweed-fallopia-japonica-polygonaceae-syn-polygonum-cuspidatum-image69711006.html, Japanese Knotweed, Fallopia Japonica growing wild, dying down for winter, Hastings, uk, https://www.alamy.com/stock-image-japanese-knotweed-fallopia-japonica-growing-wild-dying-down-for-winter-166101045.html, https://www.alamy.com/stock-image-rob-waistell-whos-bungalow-cream-coloured-building-in-maesteg-wales-165320437.html. JAPANESE KNOTWEED, Reynoutria japonica, pushing up through rocks in Spring, Wales, U.K. https://www.alamy.com/stock-photo-japanese-knotweed-reynoutria-japonica-pushing-up-through-rocks-in-21717086.html, A sign warning of Japanese Knotweed invasion, https://www.alamy.com/stock-photo-a-sign-warning-of-japanese-knotweed-invasion-74242652.html, Japanese Knotweed Fallopia japonica Dorset, UK, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-dorset-uk-30315065.html, https://www.alamy.com/stock-photo-japanese-knotweed-restricted-area-74177106.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-blooming-germany-47940018.html. It grows to heights of 7 feet (2.1 m), and the roots can be twice that deep. Photos. We highly recommend using a professional service like ours to confirm your concerns and to action a removal and maintenance plan to ensure that the risk of damage from Japanese knotweed is fully removed. Huzhang (Japanese Knotweed) has been used in traditional Chinese medicine as well as in Japan and Korea for many years. See japanese knotweed stock video clips. We have many Japanese Knotweed images to help you see what Knotweed looks like. Typically blooming between late summer and early autumn, Japanese knotweed flowers are a distinct creamy white colour and … See more ideas about japanese, plants, photo. The rhizomes can spread several metres outwards from the visible, aboveground stems, and to depths of more than a metre. March, https://www.alamy.com/stock-photo-new-spring-shoots-of-japanese-knotweed-fallopia-japonica-introduced-50634681.html, https://www.alamy.com/stock-photo-japanese-knotweed-growing-vigerously-in-a-maesteg-graveyard-it-is-12892376.html, JAPANESE KNOTWEED AN INVASIVE PLANT IN FLOWER LATE SUMMER IN SCOTLAND, https://www.alamy.com/stock-photo-japanese-knotweed-an-invasive-plant-in-flower-late-summer-in-scotland-73959175.html, https://www.alamy.com/stock-photo-twig-of-japanese-knotweed-85389049.html, https://www.alamy.com/japanese-knotweed-fallopia-japonica-polygonaceae-syn-polygonum-cuspidatum-image69710999.html, https://www.alamy.com/stock-photo-a-sign-warning-of-japanese-knotweed-invasion-74242654.html. https://www.alamy.com/stock-photo-fallopia-japonica-commonly-known-as-japanese-knotweed-is-a-large-herbaceous-82422692.html, Invasive plant control of Japanese Knotweed, Fallopia japonica, near St Keverne, Cornwall, England, UK, https://www.alamy.com/stock-photo-invasive-plant-control-of-japanese-knotweed-fallopia-japonica-near-111514978.html, New Spring shoots of Japanese Knotweed (Fallopia japonica). 231,782,622 stock photos, vectors and videos, Japanese knotweed (Reynoutria japonica)flowering plants, https://www.alamy.com/licenses-and-pricing/?v=1, https://www.alamy.com/stock-photo-japanese-knotweed-reynoutria-japonicaflowering-plants-50788974.html, A japanese knotweed control site notice, cornwall, uk, https://www.alamy.com/stock-photo-a-japanese-knotweed-control-site-notice-cornwall-uk-41316650.html, Japanese Knotweed; Reynoutria japonica; cornwall; UK, https://www.alamy.com/stock-photo-japanese-knotweed-reynoutria-japonica-cornwall-uk-39289702.html, japanese knotweed growing by the roadside in a country lane, https://www.alamy.com/japanese-knotweed-growing-by-the-roadside-in-a-country-lane-image62699490.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-27723085.html, japanese knotweed an invasive and flourishing superweed taking over on the roadside in somerset,england, https://www.alamy.com/stock-photo-japanese-knotweed-an-invasive-and-flourishing-superweed-taking-over-17688699.html, Japanese Knotweed (Fallopia japonica, Reynoutria japonica), blooming, Germany, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-blooming-germany-47940025.html, Japanese knotweed, Fallopia japonica, syn. Add to Likebox Invasive species concept. Japanese knotweed is an invasive weed which grows rapidly, forcing itself through concrete, brickwork, gutters, drains, patios and more. Spread a covering over the area such that the ground underneath will be deprived of sunlight and water, as will newly emerging Japanese knotweed. Find the perfect Knotweed stock photos and editorial news pictures from Getty Images. Your Lightboxes will appear here when you have created some. Japanese knotweed spreads relentlessly and grows back year after year, meaning you should use a multifaceted approach to eradicate it from your lawn or garden. The Japanese Knotweed The Killer of Gardens, this plant can grown at an alarming rate and also go undetected, remaining dormant for long periods of time. Infamous for its devastating ability to cause costly damage to property, Japanese knotweed is the most widespread form of knotweed in the UK. Japanese knotweed is a member of the buckwheat family. We highly recommend using a professional service like ours to confirm your concerns and to action a removal and maintenance plan to ensure that the risk of damage from Japanese knotweed is fully removed. Knotweed is a highly successful invader of wetlands, stream corridors, forest edges, and drainage ditches across the country. Similar Images . Remove Japanese Knotweed by Digging Out the Roots. Polygonum cuspidatum, Reynoutria japonica, at edge of path, Blaenavon, Wales, UK, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-syn-polygonum-cuspidatum-reynoutria-49813792.html, Japanese knotweed encroaching on the road in rural cornwall, uk, https://www.alamy.com/stock-photo-japanese-knotweed-encroaching-on-the-road-in-rural-cornwall-uk-49117705.html, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-73394646.html, A Japanese Knotweed control site sign near Redruth in Cornwall, UK, https://www.alamy.com/stock-photo-a-japanese-knotweed-control-site-sign-near-redruth-in-cornwall-uk-50795561.html, https://www.alamy.com/stock-photo-japanese-knotweed-80132965.html, Japanese knotweed growing by a building in the city centre of truro, cornwall, uk, https://www.alamy.com/stock-photo-japanese-knotweed-growing-by-a-building-in-the-city-centre-of-truro-59221527.html, Japanese Knotweed growing vigerously in a Maesteg graveyard it is endemic in the industrial valleys of South Wales UK, https://www.alamy.com/stock-photo-japanese-knotweed-growing-vigerously-in-a-maesteg-graveyard-it-is-12892387.html, Japanese Knotweed growing out of a concrete pavement, https://www.alamy.com/stock-photo-japanese-knotweed-growing-out-of-a-concrete-pavement-92913214.html, Notice Japanese Knotweed control site Cornwall County Council North Cornwall UK, https://www.alamy.com/stock-photo-notice-japanese-knotweed-control-site-cornwall-county-council-north-19900150.html, A woman walking along a River Wye footpath overgrown with Japanese knotweed, Gloucestershire, England, UK KATHY DEWITT, https://www.alamy.com/stock-photo-a-woman-walking-along-a-river-wye-footpath-overgrown-with-japanese-30412596.html, Japanese knotweed: Fallopia japonica, Reynoutria japonica, https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-reynoutria-japonica-95029072.html, Fallopia japonica, Reynoutria japonica, Asian knotweed, Japanese knotweed, invasive, plant, Rouge National Urban Park, Toronto Ontario Canada, https://www.alamy.com/stock-photo-fallopia-japonica-reynoutria-japonica-asian-knotweed-japanese-knotweed-118907414.html, Japanese knotweed (Reynoutria japonica) regrowth of plants after herbicide application, https://www.alamy.com/stock-photo-japanese-knotweed-reynoutria-japonica-regrowth-of-plants-after-herbicide-50789012.html. Installed underground to prevent damage from tree roots, Japanese Knotweed and other invasive plant species, to underground services and existing structures. https://www.alamy.com/stock-photo-japanese-knotweed-fallopia-japonica-which-is-classed-as-an-invasive-29716723.html, https://www.alamy.com/stock-photo-japanese-knotweed-71915837.html. https://www.alamy.com/japanese-knotweed-fallopia-japonica-polygonaceae-syn-polygonum-cuspidatum-image69710994.html. The invasive plant specifies Japanese Knotweed (Reynoutria japonica, Fallopia japonica or Polygonum cuspidatum) grows beside a river embankment. During the late summer, it can also be identified by its creamy-white flowers. Japanese Knotweed, Fallopia japonica, Polygonaceae. There are also images of Japanese knotweed in spring, summer, autumn and winter. Japonica knotweed leaf Japanese knottweed knotweed isolated warning invasive plants Japanese knotweed spreads as a landscaping ornamental than metre! 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