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cbd 2014 pathway:contaminant seed
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Euphorbia heterophylla var. cyathophora
Euphorbia heterophylla var. cyathophora (Murray) Griseb.Euphorbia heterophylla var. heterophyllaMarktplatz
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Belege
Cyathophora heterophyla (L.) Raf., Euphorbia frangulaefolia Kunth, Euphorbia heterophylla subsp. brasiliensis Müll.Arg.
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cbd 2014 pathway:contaminant seed
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Euphorbia heterophylla, also known under the common names of Mexican fireplant, painted euphorbia, Japanese poinsettia, paintedleaf, painted spurge and milkweed, is a plant belonging to the Euphorbiaceae or spurge family.
Wikipedia-Autoren · CC BY-SA · Quelle
Euphorbia heterophylla grows between 30 and 100 cm tall and has hollow stems that may be branched or simple with angular ribs. The leaves of the plant have variable shapes within and between populations. The lower leaves are alternate whereas the upper leaves are opposite and commonly have a whitish or bright red base. Within 30 days of emergence the plant may flower with ripe seeds being formed between 25 and 30 days later. It is pollinated by insects which are attracted to large amounts of nectar the plant produces. Extrafloral nectaries at the flower were first reported on E. heterophylla by Zimmerman 1932. The stalk exudes a toxic milky white latex. The cyathia or false flowers, are located in clusters at the head of the stalk and are yellowish green. They have no petals, the red color being part of the young leaves' coloration. The fruits are small, segmented capsules. When the fruits are mature, they explode and shoot the seeds some distance from the parent plant allowing the plant to disperse. This plant often loses its coloration when it grows wild as a weed. There are populations that have been identified to have resistance to specific herbicides in South America.
Wikipedia-Autoren · CC BY-SA · Quelle
Heimisch
Brasilien, Kolumbien, Kuba (Archipiélago de Cuba)
Eingeführt
Australien, Belgien, Bhutan, Bolivien, Brasilien, Britisches Territorium im Indischen Ozean, Burkina Faso, Burundi, Kambodscha, Kanada (Ontario), Tschad, China
Taiwan, Kolumbien, Kongo-Kinshasa (the Democratic Republic of the Congo), Côte d’Ivoire, Zypern, Dominikanische Republik, Ägypten, El Salvador, Fidschi, Französisch-Guayana, Gambia, Guatemala, Guinea (Guinée forestière), Honduras, Indonesien, Iran, Irak, Israel, Italien, Japan, Kiribati, Laos, Libyen, Madagaskar, Malaysia, Malediven, Marshallinseln (Majuro Atoll), Mosambik, Myanmar, Namibia, Nauru, Nepal, Niue, Pakistan, Papua-Neuguinea, Peru, Philippinen, Samoa, São Tomé und Príncipe, Saudi-Arabien, Salomonen, Südafrika (Kruger National Park), Timor-Leste, Türkei, Vanuatu, Venezuela, Sambia, St.Helena, Galápagos Islands, Andaman Is., Assam, Bangladesch, Benin, Botsuana, Brazil Northeast, Burkina, California, Kamerun, Canary Is., Cabo Verde, Caroline Is., Central African Repu, Chagos Archipelago, China North-Central, China South-Central, China Southeast, Weihnachtsinsel, Kokosinseln, Congo, Cookinseln, Dschibuti, East Aegean Is., East Himalaya, Äthiopien, Free State, Gabun, Ghana, Gilbert Is., Griechenland, Guinea, Gulf States, Gulf of Guinea Is., Hainan, Hawaii, Indien, Kazan-retto, Lesser Sunda Is., Liberia, Line Is., Malawi, Marianas, Marshallinseln, Maryland, Mexican Pacific Is., Neukaledonien, Nigeria, Norfolk Is., Ogasawara-shoto, Ohio, Oman, Palestine, Phoenix Is., Ruanda, Senegal, Seychellen, Sierra Leone, Society Is., South China Sea, Sudan, Sulawesi, Thailand, Togo, Tokelau-Manihiki, Tonga, Tuamotu, Wake I., West Himalaya, Zaïre, Simbabwe
Weitere
Kolumbien (Corregimiento de San Antonio de Chamí), Komoren, Jordanien, Mauritius, Mikronesien, Singapur, Türkei, Vereinigte Staaten (Hawaii), Vietnam, Argentina Northwest, Arizona, Arkansas
Jamaika, Bahamas, Kansas, Belize, Peru, Bermuda, Bolivien, Kentucky, Leeward Is., Brazil Southeast, Brazil South, Brazil West-Central, Virginia, Puerto Rico, Louisiana, Complejo Humedales Hato Corozal. Cienaga Zapatosa, Windward Is., Trinidad-Tobago, Wisconsin, Kaimaninseln, Turks-Caicos Is., Uruguay, Mexico Central, Chile North, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Kolumbien, Minnesota, Mississippi, Costa Rica, Kuba, Missouri, South Carolina, Dominikanische Republik, Utah
panamerikanisch
Euphorbia heterophylla is native to tropical and subtropical America but is now widespread throughout the tropics. Many herbicides fail to control it and hence it has spread rapidly in many parts of the world. This plant has been introduced to South and Southeast Asia as an ornamental plant, having become a weed in India and Thailand, where it has invaded cotton fields and other agricultural terrain.
Wikipedia-Autoren · CC BY-SA · Quelle