https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/327114Edit ImageSaveSaveEditCropCustom TextQuinine bark (Cinchona condaminea) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John Stephenson and James Morss Churchill.MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFA4 Portrait JPEG 2551 x 3630 px | 300 dpiBest Quality JPEG 3162 x 4500 px | 300 dpiA4 Portrait TIFF 2551 x 3630 px | 300 dpiBest Quality TIFF 3162 x 4500 px | 300 dpi | 81.45 MBFree DownloadQuinine bark (Cinchona condaminea) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John Stephenson and James Morss Churchill.More