sentences:  Iporuro ("Alchornea castaneifolia") is well known to the indigenous peoples of Peru for relieving the symptoms of osteoarthritis, and in aiding flexibility and range of motion.The Candochi-Shapra and the Shipibo Indian tribes use both the bark and roots of iporuro for rheumatism.To prevent diarrhea, members of the Tikuna tribe take one tablespoon of "Alchornea castaneifolia" bark decoction before meals.