Cirsium definitions

Cirsium

1) Asterid dicot genus 2) Genus cirsium
Found on https://www.crosswordclues.com/clue/cirsium

They are mostly native to Eurasia and northern Africa, with about 60 species from North America (although several species have been introduced outside their native ranges). Thistles are known for their effusive flower heads, usually purple, rose or pink, also yellow or white. The radially symmetrical disk flowers are at the end of the branches. Th...
Found on http://en.wikipedia.org/wiki/Cirsium

Cirsium

(from the article `thistle`) weedy species of Cirsium, Carduus, Echinops, Sonchus, and other plant genera of the family Asteraceae. The word thistle most often refers to prickly ...
Found on http://www.britannica.com/eb/a-z/c/87

Cirsium

(Fishbone Thistle, Plumed Thistle) This group of annuals, biennials, and perennials are natives in damp meadows in central and southwestern Europe and North America. Most of these plants, however, are weeds. The main kinds that are cultivated are as follows: C. Rivulare atropurpureum is a clump forming perennial that grows 4 feet or more high. Its ...
Found on http://www.encyclo.co.uk/local/10004