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WordNet
melancholy thistle

n. perennial stoloniferous thistle of northern Europe with lanceolate basal leaves and usually solitary heads of reddish-purple flowers [syn: Cirsium heterophylum, Cirsium helenioides]

Wikipedia
Melancholy thistle

Melancholy thistle is a common name for several plants and may refer to:

  • Cirsium helenioides
  • Cirsium heterophyllum