What is "frasera"

Frasera \Frasera\ n. A genus of North American herbs: columbo; it includes some species sometimes placed in the genus Swertia.

Syn: genus Frasera.

Frasera (green gentian) is a genus in the gentian family, native to North America and named for John Fraser, a Scottish botanist and colleague of Thomas Walter.

Historically, Frasera has sometimes been considered part of Swertia, but molecular analysis of a number of Frasera species has shown them to form a monophyletic clade separate from the rest of Swertia.