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ragwort    
n. 劉寄奴屬植物

劉寄奴屬植物

ragwort
n 1: widespread European weed having yellow daisylike flowers;
sometimes an obnoxious weed and toxic to cattle if consumed
in quantity [synonym: {ragwort}, {tansy ragwort}, {ragweed},
{benweed}, {Senecio jacobaea}]
2: American ragwort with yellow flowers [synonym: {butterweed},
{ragwort}, {Senecio glabellus}]

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英文字典中文字典相關資料:
  • Jacobaea vulgaris - Wikipedia
    Jacobaea vulgaris, synonym Senecio jacobaea, [2] is a very common wild flower in the family Asteraceae that is native to northern Eurasia, usually in dry, open places, and has also been widely distributed as a weed elsewhere
  • Ragwort Facts. All the ragwort science and information that you need to . . .
    Ragwort is one of the UK's most ecologically valuable wildflowers It suupports a wide range of wildlife which eat it not just the cinnabar moth in this picture and also is one of the finest nectar sources for many other insects
  • Common ragwort - The Wildlife Trusts
    Ragwort is the foodplant of the black-and-red cinnabar moth: sometimes its black-and yellow-barred caterpillars cover the plant, totally stripping the leaves Common ragwort is a biennial, flowering in its second year from June to November
  • Ragworts (Groundsels) - Missouri Department of Conservation
    Ragworts or groundsels have several common names, and separating the different species can be a little tricky But members of genus Packera, with their bright yellow daisy-like flowers, are distinctive as a group Seven species have been recorded in Missouri
  • How to Identify Ragwort: Key Features, Growth Cycle Species . . .
    Ragwort (Jacobaea vulgaris) is a common perennial plant found in fields, pastures, and roadsides It produces bright yellow flowers and can grow up to 1 5 meters tall While it may look pretty, ragwort contains toxic compounds that can be fatal to livestock, especially when eaten in large quantities
  • This pretty flower is essential for pollinating insects, yet deadly for . . .
    Learn what ragwort is, where it can be found, benefits and the dangers associated with it in our expert ragwort guide What is ragwort? Ragwort is a tall plant that grows to 90cm high and bears large, flat-topped clusters of yellow daisy-like flowers from July to October
  • Understanding Ragwort Species: Identification and Control Methods . . .
    Discover the unique characteristics, uses, and risks associated with ragwort species, including its medicinal properties, insect repellent effects, and potential toxicity to livestock Learn effective control methods and conservation strategies for managing this invasive plant
  • Ragwort | RHS Advice
    Ragwort is a UK native wildflower found throughout the country on grassland, sand dunes, pastures, verges and wasteland It is a fantastic plant for wildlife, with more than 200 species of invertebrates recorded on it
  • Just how poisonous is ragwort to horses and livestock? Should it be . . .
    "Ragwort is a poisonous weed containing toxic pyrrolizidine alkaloids, and can seriously harm grazing animals like horses, cattle, sheep and goats, if eaten," he says
  • 37 Facts About Ragwort
    Ragwort, also known as Jacobaea vulgaris, is a common wildflower found in many parts of the world It often grows in fields, along roadsides, and in disturbed areas Despite its bright yellow flowers, ragwort is often considered a weed due to its invasive nature and potential toxicity





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