These illustrations of medicinal plants were added to a manuscript translation of a medical treatise by Dioscurides, originally written in the first century AD. The Greek text was frequently translated into Arabic; this sheet is from a copy by Abdallah ibn al-Fadl which is dated 1224.

Source: Eye of the Beholder, edited by Alan Chong et al. (Boston: ISGM and Beacon Press, 2003): 170.