star-thistle

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Noun

star-thistle - Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America

Centauria calcitrapa, caltrop

centaury - any plant of the genus Centaurea

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References in periodicals archive ?

Many varieties such as honey made from sage and star-thistle aren't available at all because it's too dry for their flowers to produce nectar.

Calif. drought stings bees, honey supplies

Feral hog and cat control and the removal of such harmful plants as yellow star-thistle, purple loosestrife, kudzu, and saltcedar are just some of the invasive species battles taken on by Army installations.

Wildlife conservation and the U.S. Army

In June 1999, we burned the site to control yellow star-thistle (Centaurea solstitialis), a non-native species.