wild rosemary

noun
  1. a bog shrub, Ledum palustre, of the heath family, found from the North Temperate Zone to the Arctic Circle, having leaves that are rust-colored and hairy beneath with rolled margins, and dense clusters of white flowers.

Origin of wild rosemary

First recorded in 1825–35
Also called crystal tea.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018