Look up: Cirsium

1. 
   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 leaves are narrow and deeply divided and produced mostly at the base. The small, dark crimson flowers resemble little thistles. They grow in small bun...
   Found on http://www.botany.com/cirsium.html
   
   
2. 
   Cirsium
   [n] - plume thistles
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. 
   Cirsium
   genus Cirsium noun plume thistles
   Found on http://wordnet.princeton.edu/perl/webwn?
   
   
4. 
   Cirsium
   `Cirsium` is a genus of perennial flowering plants in the Asteraceae, one of several genera known popularly as thistles. They are known for their effusive flowered heads (usually purple, rose, yellow, or white). The radially symmetrical disk flowers are situated at the end of the branches. They have erect, prickly stems and leaves, with a characteristic focal point at the base of the flower which is particularly spiny. The leaves are alternate ...
   Found on http://en.wikipedia.org/wiki/Cirsium
   
   
5. 
   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