Caudex short, suberect; stipe to 60 cm long, nearly black, glossy, its basal scales to 10 mm long, less than 1 mm wide, firm, entire; lamina to 50 cm long; apical part to 40 cm long, deeply multilobed, its basal lobes 25 × 5 cm, acuminate, obliquely shallowly lobulate; upper lobes entire; pinnae one pair, to 28 cm long, lobed both sides to 15 mm from the costa, basal basiscopic lobe to 15 cm long, acuminate, repand to obliquely lobulate, other lobes gradually shorter, lobes on the acroscopic side short and subequal, on largest fronds acute; main veins prominent on the lower surface, smaller veins not, areoles with included veinlets many; lower surface of costae black and glossy, bearing few minute hairs; upper surface of costae bearing hairs more than 0.5 mm long, scattered hairs also present on and between veins; sori on free veins in areoles, 3-4 mm long, 1.5-2 mm wide; indusia large, persistent, rounded to cordate at their bases, margins minutely papillose.
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