Jean-Christophe [Kumpfler] Heyland (1791 Frankfurt – 29 August 1866 Genoa), was a Swiss engraver, watercolourist, and illustrator, who produced the plates for many botanical works such as the 1825-27 Plantes Rares du Jardin de Geneve by Augustin Pyramus de Candolle.[1] He lived in Geneva from 1803, and produced all illustrations for botanical memoirs published by Geneva botanists after 1820.[2] He also illustrated the work of Benjamin Delessert, Philip Barker-Webb, Giuseppe Giacinto Moris, Pierre Edmond Boissier and others.[3]