of southern United States
having large whitish or yellowish flowers
mottled with purple and a long curving beak
Devil's claw has been used traditionally to treat pain, fever and stimulate digestion. European colonists brough it back to their home-land where it became a popular treatment for arthritis.
A typical dosage of devil's claw is 750 mg 3 times daily of preparation standardized to contain 3% iridoid glycosides.