Species Ammannia rigidula

For Paul Ammann (1634–1691), German physician and botanist, who studied medicine at the University of Leipzig and received his doctorate in physics in (1662). He held three chairs in his career, becoming professor of medicine (1664), of botany (1674) (when he was also director of the medical garden), and of physiology (1682). He authored Supellex Botanica in 1675, an enumeration of the medical plants in the garden and others in the vicinity. He also produced Medecina Critica (1670), Paraenesis ad Docentes Occupata Circa Institutionum Medicarum Emendationem (1673), Irenicum Numae Pompilii cum Hippocrate (1689), and Character Naturalis Plantarum (1676).