cocklebur

Noun

• burdock having heart-shaped leaves found in open woodland, hedgerows and rough grassland of Europe (except extreme N) and Asia Minor; sometimes cultivated for medicinal and culinary use

• any coarse weed of the genus Xanthium having spiny burrs

Related words

• Synonyms: 
  great burdock , greater burdock , Arctium lappa , cockle-bur , cockleburr , cockle-burr