Musk thistle Meaning, Definition & Usage
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noun Eurasian perennial naturalized in eastern North America having very spiny white cottony foliage and nodding musky crimson flower heads; valuable source of nectar
nodding thistle; Carduus nutans.
WordNet
Definitions
(Bot.) , a species of thistle (Carduus nutans ), having fine large flowers, and leaves smelling strongly of musk.