1) Cupflower 2) Herb 3) Herbaceous plant 1) Whitecup 
Nierembergia ə, common name Cupflower, is a genus of plants in the Nightshade family. It is named after the Spanish Jesuit and mystic Juan Eusebio Nieremberg (1595-1658). ...
(Cup Flower) These are hardy and tender, perennial plants that may be dwarf or trailing and are good for the rock garden, or are taller and erect and make good plants for the flower bed or border. All can be grown in pots. These plants come from South America. They form tidy mounds, up to 12 inches high/wide. Their leaves are linear and up to an in...
Nierembergia is a genus of mostly creeping American herbaceous plants, belonging to the family Solanaceae. They bear graceful flowers, with more or less infundibuliform corollas, violet or white in colour.
noun any of various plants of the genus Nierembergia having upturned bell-shaped flowers