Sering (Syringa vulgaris) (1596 - 1610) by Anselmus Boëtius de Boodt and Elias Verhulst https://www.rawpixel.com/image/13742504/image-paper-flower-plantFree Image from public domain licenseCrimson fronted Purple Finch. Drawn from nature by J.J. Audubon, F.R.S.F.L. (1840–1860) print in high resolution by… https://www.rawpixel.com/image/3590359/illustration-image-flower-art-floralFree Image from public domain licensePurple striped tulip (Tulipa species): flower and leaves. Watercolour. https://www.rawpixel.com/image/13954002/purple-striped-tulip-tulipa-species-flower-and-leaves-watercolourFree Image from public domain license