Caudex short, erect; stipes to 25 cm long (sterile fronds) or 37 cm (fertile), dark, glossy on abaxial surface, basal scales very dark, rigid, to 12 mm long, less than 1 mm wide, much contorted; lamina to 25 cm long, isomorphous, firm, consisting of a trilobed apex and 2 pairs of pinnae; upper pinnae sessile, to c. 17 × 5 cm, base subcordate on basiscopic side, cuneane and not auricled on acroscopic side, margins subentire, apex not acuminate; lower surface quite glabrous; basal pinnae with one large basiscopic lobe; main veins c. 15 mm apart along costae, sinuous; sori in one row on each side of main veins, on terminal veinlets in areoles, rather large, slighdy impressed (with prominences on the upper surface); indusia firm, round-reniform (not peltate).
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