Its leaves are alternate, oblong, acute, decurrent, indented at the margin, rough, and densely tomentose on both sides. History, Description, and Chemical Composition.
Some botanists consider it to have been introduced from Europe.
The leaves and flowers are the parts used. They have a faint, rather pleasant odor, resembling that of a mild narcotic, and a somewhat bitterish, albuminous taste, and yield their virtues to boiling water. Action, Medical Uses, and Dosage. It is likewise said to possess marked antiperiodic virtues. Besides, it is mildly nervine, controlling irritation, and favoring sleep.