An Indian azalea (Rhododendron cultivar): flowering stem. Chromolithograph by L. Stroobant, c. 1863, after J. Vandamme. https://www.rawpixel.com/image/13952885/image-flower-plant-artFree Image from public domain licenseAn Indian azalea (Rhododendron cultivar): flowering stem. Chromolithograph by G. Severeyns, c. 1854, after J. Vandamme. https://www.rawpixel.com/image/13959747/image-flower-plant-artFree Image from public domain license