Xan"thi*um (?), n. [NL., fr. Gr. xa`nqion a plant used for dyeing the hair yellow, said to be the Xanthium strumarium, from xanqo`s yellow.] (Bot.)

A genus of composite plants in which the scales of the involucre are united so as to form a kind of bur; cocklebur; clotbur.

 

© Webster 1913

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