Purple star-thistle

Centaurea calcitrapa

Summary 2

Centaurea calcitrapa is a species of flowering plant known by several common names, including red star-thistle and purple 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), https://en.wikipedia.org/wiki/Centaurea_calcitrapa

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