Didelta
…involucral bracts. According to this study, the relationships within the Gorteriinae are as expressed in the following tree. subtribe Gorteriinae Gazania, Hirpicium, Gorteria "Berkheya spinosissima" Didelta carnosa Didelta spinosa Cuspidia part of Berkheya including B. rigida, B. pinnatifida, B. eriobasis, B…