rag·wort /-ˌwɝt, ˌwɔrt/
劉寄奴屬植物
Rag·wort n. Bot. A name given to several species of the composite genus Senecio.
Note: ☞ Senecio aureus is the golden ragwort of the United States; Senecio elegans is the purple ragwort of South Africa.
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ragwort
n 1: widespread European weed having yellow daisylike flowers;
sometimes an obnoxious weed and toxic to cattle if
consumed in quantity [syn: tansy ragwort, ragweed, benweed,
Senecio jacobaea]
2: American ragwort with yellow flowers [syn: butterweed, Senecio
glabellus]