Asiatic knotweed Botanical Name. Bailey, and Reynoutria japonica Houtt. Les feuilles, alternes, peuvent atteindre 20 à 40 centimètres de long. Knotweed Reynoutria Fallopia japonica Sakhalin Japanese, invasive expansive species of dangerous plants leaf, leaves fruits, Asia Japan sachalinensis intruder neophyte calamity flowers gatecrasher - Buy this stock photo and explore similar images at Adobe Stock White dots mean present and localised Weed Risk Assessment: Fallopia japonica 1. As described in articles from 1868, 1872, and 1875 there were three distinct introductions of the plant in the 1860s, two from Europe and one from Japan. Image 5205099 is of Japanese knotweed (Reynoutria japonica ) fruit(s). Frysk: Reuze readskonk. Photo by Matthew Beziat. Traits distinctifs La Renouée du Japon , la Renouée de Sachaline et leur hybride, la Renouée de Bohême sont des plantes robustes, atteignant trois à quatre mètres et dévelop-pant de nombreuses tiges creuses. (7.6-10 cm) wide and broadly-ovate. - 20 ft. 0 in. Reynoutria japonica est une plante vivace de la famille des Polygonacées (Polygonaceae) aux feuilles alternes et simple, entière. Resvératrol, extrait de la Renoué du Japon (Reynoutria japonica) La renoué du Japon est une plante d’Asie et d’Amérique du Nord qui est utilisée en médecine traditionnelle chinoise. R. japonica hybridizes with the New Zealand Muehlenbeckia australis. The two most common introduced varieties are var. Fallopia ciliinodis), As of February 2019[update], Plants of the World Online recognized the following species:[1], All members of the RMF clade appear to have the potential to become invasive, in some cases via vigorous hybrids. Reynoutria japonica is highly invasive throughout Europe and North America. Japanese Knotweed in Europe. Dimensions: Height: 10 ft. 0 in. How to say Reynoutria japonica in English? )[5], Genus of flowering plants in the knotweed family Polygonaceae, harvtxt error: multiple targets (2×): CITEREFSchusterRevealBaylyKron2015 (, https://en.wikipedia.org/w/index.php?title=Reynoutria&oldid=984926159, Short description is different from Wikidata, Articles containing potentially dated statements from February 2019, All articles containing potentially dated statements, Creative Commons Attribution-ShareAlike License, This page was last edited on 22 October 2020, at 22:38. Nakai Homonyms Reynoutria japonica Houtt. Reynoutria is a genus of flowering plants in the family Polygonaceae.The genus is native to eastern China, Eastern Asia and the Russian Far East, although species have been introduced to Europe and North America. The fruit, which is only produced on female plants, consists of a small dark brown or blackish coloured 'seed' (i.e. Reynoutria japonica Sieb. Soes, J. van Valkenburg, B.J. Nederlandse naam: Japanse duizendknoop Synoniem: Fallopia japonica Soort: Bosrandplant. Japanese knotweed is the flowering plant in the Buckwheat family Polygonaceae. Var. Reynoutria japonica in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. The leaves are up to 38 cm long and 13 cm wide (Alberternst 1995). Nederlandse naam: Japanse duizendknoop Synoniem: Reynoutria japonica Soort: Bosrandplant. achene) enclosed in a three-winged structure (i.e. Nom latin: Polygonum cuspidatum, mais aussi Reynoutria japonica, ou Fallopia japonica, en néerlandais Japanse Duizendknoop, nom anglais: Japanese Knotweed. the fruit is an achene (dry, usually one-seeded, does not separate or split open at maturity) Fruit width 1.8–2.4 mm The semi-woody stem is hollow with enlarged nodes. It is a very tolerant plant and survives in a wide range of soil types. japonica was made available to the public by Von Siebold as an ornamental, and later promoted as a potential source of forage. Female flowers can produce small 3-angled black-brown fruit but seed production is rare, primarily spreading by rhizomes. Threat status Europe: Not evaluated (IUCN) The EUNIS species component has very limited information about this species. to three different genera (Polygonum, Reynoutria and Fallopia) with two different specific epithets. (2009) proposed transfer back to Reynoutria based on rbcL plastidial sequence analysis and Reynoutria japonica Houtt. Von Siebold had a strong interest in botany and natural history and he sent a large shipment of live plants—over 500 different kinds—to the Netherlands upon his departure from … Chromosome number of Reynoutria japonica Houtt. autumn Stems, maar doet het in... Parts of Britain and in the genus is described based on rbcL sequence... 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