eustoma : Idioms & Phrases
eustoma grandiflorum
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noun one of the most handsome prairie wildflowers having large erect bell-shaped bluish flowers; of moist places in prairies and fields from eastern Colorado and Nebraska south to New Mexico and Texas
prairie gentian; tulip gentian; bluebell.
WordNet
genus eustoma
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noun small genus of herbs of warm regions of southern North America to northern South America
Eustoma.