Xanthium
coarse herbs having small heads of greenish flowers followed by burrs with hooked bristles • Syn: genus Xanthium • Hypernyms: asterid dicot genus • Member Holonyms: Compositae, family Compositae, Asteraceae, family Asteraceae, aster family • Member Meronyms: cocklebur, cockle-bur, cockleburr, cockle-burr
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