Aloe ferox
Sources:
Chen, Weiyang, et al. "Cape aloes—a review of the phytochemistry, pharmacology and commercialisation of Aloe ferox." Phytochemistry Letters 5.1 (2012): 1-12.
Van Wyk, Ben-Erik. "Uses of aloe in traditional and modern medicine." Aloe 50 (2013): 1-2.
Grace, O. M. "Current perspectives on the economic botany of the genus Aloe L.(Xanthorrhoeaceae)." South African Journal of Botany 77.4 (2011): 980-987.
South African National Biodiversity InstitutePlantZAfricaAloe ferox Mill.
Image: Adobe Stock - Ava Peattie