What does "centaurea calcitrapa" mean?

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

What is a synonym for "centaurea calcitrapa"?

Common synonyms include: caltrop, centauria calcitrapa, star-thistle.

Rare ·Advanced level

Noun

1
Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America wordnet