![](http://www.alamy.com/thumbs/6/7B26CF80-A2B2-4F8F-B06F-8157A4F79028/2ACE7CR.jpg)
Yellow star thistle (Centaurea solstitialis).
Size: 3582px × 5351px
Photo credit: © BRUNO PETRIGLIA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: angiosperm, angiosperms, anther, anthers, barnabys, biological, biology, botanical, botany, centaurea, filament, filaments, flower, flowers, nature, orange, parts, plant, plants, reproduction, reproductive, solstitialis, spike, spikes, spiky, spindle, spindles, st., star, star-thistle, starthistle, structure, thistle, thistles, thorn, thorns, thorny, yellow