Silybum
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Silybum is a genus of two species of thistles in the family Asteraceae. The plants are native to the Mediterranean regions of Europe, North Africa, and the Middle East. One species has been introduced
Silybum marianum 2004
Dried thistle flowers at the end of summer
Flowerhead of Silybum marianum
Thistle
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Thistle is the popular name of a group of flowering plants characterised by leaves with sharp spikes on the margins, mostly in the family Asteraceae. Prickles can also occur all over the plant – on th
Silybum
…Silybum (milk thistle) is a genus of two species of thistles in the family Asteraceae. The plants are native to the Mediterranean regions of Europe, North Africa, and the Middle East. One species has been introduced…
Musk thistle, C. nutans in the Carpathian Mountains
Cirsium arizonicum, showing arachnoid cobwebbiness on stems and leaves, with ants attending aphids that might be taking advantage of the shelter.
Spear Thistle Cirsium vulgare in Scotland, 2007