Word Study
onagraceous
CIDE DICTIONARY
onagraceous, a. [From NL. Onagra an old scientific name of the evening primrose (), fr. Gr. 'ona`gra a kind of plant; of uncertain origin.].
Pertaining to, or resembling, a natural order of plants (Onagraceæ or Onagrarieæ ), which includes the fuchsia, the willow-herb (Epilobium ), and the evening primrose (). [1913 Webster]
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