Noun nyctaginia has 1 sense
  1. Nyctaginia, genus Nyctaginia - a caryophyllaceous genus of the family Nyctaginaceae having only one species
    --1 is a kind of caryophylloid dicot genus
    --1 is a member of
     Nyctaginaceae, family Nyctaginaceae, Allioniaceae, family Allioniaceae, four-o'clock family
    --1 has members: scarlet musk flower, Nyctaginia capitata
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