Nierembergia frutescens is a lovely flowering plant that falls under the family of Solanaceae. Commonly known as cupflower or violet trumpet, this ornamental plant is native to South America but can also be found in parts of Africa and Asia. If you are looking for synonyms for Nierembergia frutescens, you can consider the terms purple robe, purple sheen, and draping cup. This plant is often grown as an annual in containers and gardens due to its beautiful flowers. Its bright purple or lavender color and trumpet-shaped blooms make it a popular choice for gardeners and landscapers alike.