- Allionia, genus Allionia - small genus of chiefly American herbs
--1 is a kind of caryophylloid dicot genus
--1 is a member of
--1 has members: trailing four o'clock, trailing windmills, Allionia incarnataNyctaginaceae, family Nyctaginaceae, Allioniaceae, family Allioniaceae, four-o'clock family