Elecampane (Inula helenium) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John Stephenson and… https://www.rawpixel.com/image/326715/free-illustration-image-horse-flowersFree Image from public domain licenseElecampane =: HeleniumCollection: Images from the History of Medicine (IHM) Alternate Title(s): Helenium Author(s):… https://www.rawpixel.com/image/9647645/image-flower-plant-handFree Image from public domain licenseElecampane plant (Inula helenium): flowering stem, leaf and floral segments. Chromolithograph, c. 1887, after W. Müller. https://www.rawpixel.com/image/13964332/image-flower-plant-medicineFree Image from public domain licenseVector botanical elecampane flower illustrations https://www.rawpixel.com/image/2695402/premium-illustration-vector-vintage-beautiful-beigeView license