butterfly weed: erect perennial of eastern and southern United States having showy orange flowers

GoldBamboo

... Pleurisy root is named for its use by native Americans and settlers to treat pleurisy, which is inflammation of the membranes that line the chest and cover the lungs. Pleurisy involves pain and fluid accumulation in the chest. Because chemicals in pleurisy root may reduce the thickness of mucus and encourage coughing, it may have helped to relieve pleurisy and other respiratory conditions such as bronchitis. In addition, pleurisy root contains chemicals that may increase sweating, so it also may have helped to lower fever associated with infective diseases. Today, the medical uses of pleurisy root have been replaced by prescription and non-prescription drugs that are more effective. ...
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?Butterfly weed Scientific classification Kingdom: Plantae D ...
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