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Asteraceae / Carduoideae
The Thistle or Artichoke subfamily was formerly classified as a tribe of the Aster subfamily, but was reclassified and promoted to the level of subfamily by taxonomists to more accurately represent its genetic relationship with other members of the Aster family. These are often (but not always) spiny, bristly plants, usually with flowerheads wrapped in multiple layers of overlapping bracts with bristly points, like an artichoke. Notice how the flowerheads in each of the photos below resemble little artichokes.
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Return to the Aster Family
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