Xanthium

(redirected from Xanthium strumarium complex)
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Noun1.Xanthium - coarse herbs having small heads of greenish flowers followed by burrs with hooked bristles
asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs
aster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia
cocklebur, cockle-bur, cockleburr, cockle-burr - any coarse weed of the genus Xanthium having spiny burrs