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Bohemian knotweed is a nothospecies that is a cross between Japanese knotweed and giant knotweed.
Bohemian knotweed is a nothospecies that is a cross between Japanese knotweed and giant knotweed. It has been documented as occurring in the wild in Japan. The scientific name is accepted to be Reynoutria × bohemica, but it may also be referred to as Fallopia × bohemica and Polygonum × bohemicum.
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Belege
Fallopia japonica × sachalinensis, Fallopia sachalinensis var. intermedia (Tatew.) Yonek. & H.Ohashi, Fallopia xbohemica (Chrtek & Chrtková) J.P.Bailey
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The species is an herbaceous perennial that can spread through seeds and rhizomes. It can exceed 3.5 meters in height. Leaves are larger than those of Japanese knotweed, and leaf bases are less squared. White flowers typically open in August. The species can be verified by the hairs along the mid-vein on the undersides of leaves, which are of different shape and texture than those found on either parent species.
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established
Eingeführt
Belarus, Belgien, Kanada (Newfoundland), Tschechien, Dänemark, Frankreich, Ungarn, Italien, Luxemburg, Norwegen, Polen, Rumänien
Russland, Serbien, Südafrika, Schweden, Wisconsin, Schweiz, Tennessee, Ukraine, Vermont, Virginia, Washington, West Virginia, Baltic States, British Columbia, Bulgarien, Central European Rus, Connecticut, Czechoslovakia, Finnland, Deutschland, Vereinigtes Königreich, Idaho, Illinois, Iowa, Irland, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Minnesota, Nebraska, Niederlande, New York, Newfoundland, North Carolina, Nova Scotia, Oregon, Pennsylvania, Québec
Weitere
Dänemark, Norwegen, Schweden, Vereinigte Staaten (Vermont-US), Japan
Bohemian knotweed is typically found in riparian areas and waste places. From the late 1800s, knotweeds have been introduced to new areas as an ornamental garden plant. The species has a worldwide distribution. It is considered by some as being a native hybrid of Japan. In Europe, it has been reported from the British Isles, Germany, France, northern Italy, Serbia, Bulgaria, Belgium, the Czech Republic, Slovakia, Romania, Ukraine, Scandinavia, and Switzerland. It is widespread in North America, and it has been discovered in Chile. It has also been found in Australia.
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hybrid origin