The compound cannabigerolic acid is found not only in the cannabis plant (above) but in the perennial herb Helichrysum umbraculigerum. Credit: John Greim/LightRocket/Getty
A plant used as medicine by South African peoples could be a source of some of the ingredients in the marijuana plant.
A fast-growing plant in the sunflower family that has been used for traditional medicine by some indigenous peoples in South Africa could provide a new source of cannabinoids, a class of compound found in cannabis1…
