- cupflower, nierembergia - any of various plants of the genus Nierembergia having upturned bell-shaped flowers
--1 is a kind of herb, herbaceous plant
--1 is a member of genus Nierembergia
--1 has particulars:whitecup, Nierembergia repens, Nierembergia rivularis; tall cupflower, Nierembergia frutescens