The Collaborative International Dictionary
Winter's bark \Win"ter's bark`\ (Bot.) The aromatic bark of tree ( Drimys Winteri syn. Drymis Winteri) of the Magnolia family, which is found in Southern Chile. It was first used as a cure for scurvy by its discoverer, Captain John Winter, vice admiral to sir Francis Drake, in 1577.
Wikipedia
Drimys winteri (winter's bark or canelo) is a slender tree, growing up to tall. It is native to the Magellanic and Valdivian temperate rain forests of Chile and Argentina, where it is a dominant tree in the coastal evergreen forests. It is found below between latitude 32° south and Cape Horn at latitude 56°. In its southernmost natural range it can tolerate temperatures down to .
The leaves are lanceolate, glossy green above, whitish below and can measure up to . The flowers are white with a yellow center, and comprise a great number of petals and stamens. The fruit is a bluish berry.