https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13962029Edit ImageSaveSaveEditCropCustom TextTree sorrel or sourwood (Oxydendrum arboreum): flowering stem. Coloured engraving by F. Sansom, c. 1806, after S. Edwards.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 701 x 1200 px | 300 dpiLarge JPEG 1137 x 1945 px | 300 dpiFree DownloadTree sorrel or sourwood (Oxydendrum arboreum): flowering stem. Coloured engraving by F. Sansom, c. 1806, after S. Edwards.More