Butterbur can be begin growing forth rivers, ditches, and littoral areas in arctic Asia, Europe, and locations of North America. It sends up stalks of brownish flowers actual aboriginal in spring, afore bearing actual ample heart-shaped leaves with a bristling gray underside. Once the leaves appear, butterbur somewhat resembles rhubarb—one of its accepted names is bog rhubarb. It is aswell sometimes referred to as “umbrella leaves” due to the admeasurement of its foliage. Other added or beneath anecdotic accepted names abound, including blatterdock, bogshorns, butter-dock, butterly dock, capdockin, flapperdock, and langwort.
Butterbur is generally declared as possessing an abhorrent smell, but getting malodorous has not adequate it from agriculture by humans. The bulb has a continued history of use as an anti-spasmodic, anticipation to be able for such altitude as abdomen cramps, whooping cough, and asthma.
Externally, butterbur has been activated as a analgesic over wounds or derma ulcerations.