purple star-thistle

Centaurea calcitrapa

Summary 2

Centaurea calcitrapa is a species of flowering plant known by several common names, including purple starthistle and red starthistle. It is native to Europe but is rarely found there, it is known across the globe as an introduced species and often a noxious weed. The species name calcitrapa comes from the word caltrop, a type of weapon covered in sharp spikes.

Sources and Credits

  1. (c) José María Escolano, some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/42786943@N07/4728483120
  2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Centaurea_calcitrapa

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