corolla

In botanical terms, this word describes the fused or separate petals of a flower. It carries a scientific and descriptive tone, typically used in biology or horticulture to distinguish the colorful part of the flower from the calyx, which consists of the sepals. When used in a commercial context, it refers to a specific automotive brand name. In this sense, it is a proper noun and functions as a trademarked identifier for a vehicle model, devoid of the botanical meaning.