Synset

any of numerous biennial to perennial herbs with handsome purple or yellow or occasionally white flower heads
<noun.plant>

semantic pointers

hypernym

member holonym

Cirsium, genus Cirsium

hyponym

Canada thistle, creeping thistle, Cirsium arvense woolly thistle, Cirsium flodmanii brook thistle, Cirsium rivulare bull thistle, boar thistle, spear thistle, Cirsium vulgare, Cirsium lanceolatum