Fronds of immature plants similar to those of T. melanocaula, their stipes nearly black, lamina 5-7-lobed with entire lobes and cordate base; next stage with 5-lobed terminal lamina and 1 pair of bilobed pinnae, all lobes entire or nearly so; lamina of fronds of mature plants 55 cm long, pinnae 2 pairs, basal pinnae 28 cm long, their basal basiscopic lobes to 14 × 4 cm very shallowly bluntly lobulate, upper pinnae lobed not more than halfway to their costae; lower surface almost glabrous on all parts; sori small and very numerous, much as in T. angulata (Willd.) Copel. but not all on free veinlets, indusia distinct, about as in T. melanocaula.
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