The show-stealing Thaumatophyllum X stenolobum variegata is a very impressive, self-heading plant, has long, wavy, triangular leaves that average 40cm to 75cm in length when mature. Every lef blade emerges with different pattern of variegation.
Stemis  decumbent or semi-erect, with adventitious roots abundant. There are 8-12 leaves per crown; petioles are subequaling the leaf blade, sulcate adaxially with rounded margins. Leaf blades are triangular in outline, upper surface dark green, semi-glossy with uneven patches of white or pale-yellow variegation.
 
Genus name comes from Ancient Greek “θαυματ-” (“thaumato-”, wonder, miracle) + “φύλλον” (“phyllum”, leaf); wonderful leaf, referring to the beautiful and peculiar leaves of the type species.