Comptoniana  Fleshy leaves arranged in rosette shape, dark green or brown green, oval triangular apex, light colored reticulate veins, leaf margin with fine teeth. There are many varieties of longevity, most of which are triangular in shape. The leaf color is green or brown, and the leaf margin has thorns or no thorns according to different varieties. The leaf size, vein texture, window size and transparency also vary with different varieties.