liatris : Idioms & Phrases
genus liatris
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noun genus of perennial North American herbs with aromatic usually cormous roots
Liatris.
WordNet
liatris punctata
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noun herb with many stems bearing narrow slender wands of crowded rose-lavender flowers; central United States and Canada to Texas and northern Mexico
dotted gayfeather.
WordNet
liatris pycnostachya
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noun perennial of southeastern and central United States having very dense spikes of purple flowers; often cultivated for cut flowers
dense blazing star.