any of various South American plants of the genus Alstroemeria valued for their handsome umbels of beautiful flowers.

a plant of South America, specifically a Peruvian lily

Alstroemeria (syn. Alstremeria), commonly called the Peruvian Lily or Lily of the Incas, is a South American genus of about 50 species of flowering plants. Almost all of the species are restricted to one of two distinct centers of diversity, one in central Chile, the other in eastern Brazil.