Ratanya or Rhatany; Krameria triandra. This root from Peru is used as an astringent and tonic in herbal medicine. Handcoloured copperplate engraving from Dr. Friedrich Gottlob Hayne's 鈥楪etreue Darstellung und Beschreibung der in der Arzneykunde Gebrauchilchen Gewachse' (Medical Botany); Berlin; 1822. Hayne (1763-1832) was a German botanist; apothecary and; from 1814; professor of pharmaceutical botany at Berlin University.