Centaurea
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Centaurea is a genus of over 700 species of herbaceous thistle-like flowering plants in the family Asteraceae. Members of the genus are found only north of the equator, mostly in the Eastern Hemispher
Centaurea pullata b
Common knapweed (C. nigra), perhaps the single most abundant Centaurea species of England
Centaurea tchihatcheffii (locally known as Yanardöner), a highly distinctive and rare knapweed endemic to Turkey
Knapweed fritillary (Melitaea phoebe). This butterfly can spend their entire lives living off a patch of brown knapweed (C. jacea).
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
Centaurea
…Centaurea () is a genus of over 700 species of herbaceous thistle-like flowering plants in the family Asteraceae. Members of the genus are found only north of the equator, mostly in the Eastern Hemisphere; the Middle…
Musk thistle, C. nutans in the Carpathian Mountains
Milk thistle flowerhead
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