Cassia Fistula (Purging cassia): finished drawing of leafy shoot with flowers https://www.rawpixel.com/image/9203929/photo-image-flowers-watercolors-vintageFree Image from public domain licensePurging cassia or Indian laburnum (Cassia fistula): flowers, leaf, pod and seeds. Coloured lithograph after M. A. Burnett… https://www.rawpixel.com/image/13953415/image-flower-plant-artFree Image from public domain license