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star thistle

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star thistle

One entry found.

Main Entry: star thistle

Function: noun

Date: 1578

1 : a widely naturalized spiny Old World knapweed (Centaurea calcitrapa) with purple flowers —called also caltrops
2 : any of various knapweeds related to the star thistle

Learn more about "star thistle"

Learn more about "star thistle" and related topics at Britannica.com

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