Rhizome short, thick, scales to 25 by 3 mm, rather light red-brown, flat, firm, acuminate, marginal hairs rare; phyllopodia to 1.5 cm long. Sterile frond: stipe on immature plants short, on mature plants 5-10 cm; lamina rather thinly coriaceous, to 40 by 5 cm, apex rather shortly acuminate, narrowed more gradually to base and then decurrent as a narrow wing 5 cm or more long; thin edge very narrow, reflexed; veins distinct at least on upper surface, hardly prominent; costa prominent on both surfaces; superficial scales not persistent, very small, stellate. Fertile frond: stipe 8-15 cm; lamina to 24 by 2.2 cm, base decurrent or not.