About half of all species under threat of extinction in the world today are plants. The loss of plant biodiversity is disturbing for many reasons, but especially because it is a reflection of the growing disconnect between humans and nature. Plants have been used for millennia in traditional systems of healing and have held a significant place in drug development for Western medicine as well. Despite the recent dominance of synthetic drug production, natural product discovery remains the backbone of drug development. As the diversity of life on Earth is depleted and increasing numbers of...