Caudex short, erect, with long tough roots; stipe 33 cm long, glabrous, basal scales not seen; lamina 33 cm long, firm, its apical section 19 × 1.8 cm joined at its base with the uppermost pinnae; pinnae all with narrowly cuneate bases and acuminate apices, upper ones 12.5 × 1 cm, third pair 16.2 × 1.4 cm, fourth pair 18 × 1.6 cm, basal pair 18 cm long (stalk 7 mm), 1.8 cm wide above its base with a basiscopic lobe 12 × 0.8 cm; veins about as in T. lobbii; both surfaces glabrous apart from sparse short hairs on lower surface of main veins; sori irregular in size and arrangement, indusia very small, reniform.
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