"Rheubarbarum Verum". Free illustration for personal and commercial use. about 2 years 0 "Rheubarbarum Matthioli". Free illustration for personal and commercial use. about 2 years 1 n163_w1150. Free illustration for personal and commercial use. about 2 years 0 Chinese rhubarb (Rheum palmatum) illustration from Medical Botany (1836) by John Stephenson and James Morss Churchill.. Free illustration for personal and commercial use. almost 3 years 0 PC Flett & Co jam label. Free illustration for personal and commercial use. almost 3 years 0