Butterbur

[Sarah]

A broad-leaved plant (Petasites vulgaris) of the Compositefamily, said to have been used in England for wrapping up pats ofbutter.

[Sarah]

N. Any of several perennial herbs of the genus Petasites in the composite family, native to northern temperate regions and having large basal leaves and dense clusters of usually whitish or purplish flower heads.