- Nyctaginaceae, family Nyctaginaceae, Allioniaceae, family Allioniaceae, four-o'clock family - a family of flowering plants of the order Caryophyllales
--1 is a kind of caryophylloid dicot family
--1 is a member of
--1 has members:Caryophyllales, order Caryophyllales, Chenopodiales, order-Chenopodiales Nyctaginia, genus Nyctaginia; Abronia, genus Abronia; Allionia, genus Allionia; genus Bougainvillea, Bougainvillaea, genus Bougainvillaea; Mirabilis, genus Mirabilis; Pisonia, genus Pisonia