Cocklebur and Xanthium

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.

Xanthium and cocklebur are semantically related. In some cases you can use "Xanthium" instead a noun "Cocklebur".

Xanthium noun - Coarse herbs having small heads of greenish flowers followed by burrs with hooked bristles.

Cocklebur and Xanthium are semantically related. Sometimes you can replace term "Cocklebur" with "Xanthium", this nouns are similar.