evening primrose

noun

Definition of evening primrose

  1. :  any of several dicotyledonous plants of a family (Onagraceae, the evening-primrose family) and especially of the type genus (Oenothera); especially :  a coarse biennial herb (O. biennis) of North America with yellow flowers that open in the evening

1804

First Known Use of evening primrose

1804


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