T. lacerifolium has green petioles with rather narrow, dentate wings; the leaves are a mid-green without markings, but the mid-rib is sometimes faintly coloured above. The leaves are lacerate with 5-6 omnidirectional narrow acute lobes interspersed with interlobes and large teeth. The end-lobe is shortly triangular to trilobate often with a large tooth and the leaves are homophyllous. The exterior bracts are recurved and about 3 mm wide. Compare T. croceiflorum which is often similar but has red ligule ends.