burdock (redirected from Arctium)

burdock (bûr`däk), common name of any plant of the genus Arctium of the family Asteraceae (aster family), coarse biennials indigenous to temperate Eurasia and mostly weedy in North America. The flowers, usually purple, are followed by roundish many-seeded burs. The great burdock (A. lappa) has been used medicinally and (in Japan) cultivated as a vegetable called gobo. The young leaves are eaten as a salad in Scandinavia and Japan. The common burdock is A. minus. The cocklebur is sometimes confused with burdock. Burdock is classified in the division Magnoliophyta, class Magnoliopsida, order Asterales, family Asteraceae.

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burdock

Any plant of the genus Arctium, in the composite family, bearing globular flower heads with prickly bracts. Native to Europe and Asia, burdock species have been naturalized throughout North America. Regarded as weeds in the U.S., they are cultivated for their edible root in Asia. Their fruits are round burrs that stick to clothing and fur.

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burdock

a coarse weedy Eurasian plant of the genus Arctium, having large heart-shaped leaves, tiny purple flowers surrounded by hooked bristles, and burlike fruits: family Asteraceae (composites)