Rhizome usually short with close fronds; scales to 10 by 1.5 mm, medium brown, rather thin, ± crisped throughout but especially towards hair-pointed apices which are often tangled, edges with some spreading hairs; phyllopodia 1-1.5 cm long. Sterile frond: stipe rather slender, 5-15 cm long, rather deeply 3-sulcate almost to base; lamina thinly coriaceous, commonly to 25 by 6 cm, exceptionally to 30 by 9 cm, distinctly elliptic, rather shortly acuminate, cuneate and slightly decurrent at base; thin edge very narrow, often deflexed; veins slender, prominent on both surfaces, not joining at tips; costa prominent on both surfaces, rather deeply grooved on upper; scales brown, stellate, mostly under ½ mm in total 0. Fertile frond: stipe sometimes longer than sterile; lamina 12-17 by 1.8-2.5 cm.
In forest, in two cases recorded as terrestrial (Matthew reported of the type of E. permu-tatum "in a patch of moist ground in forest"), at 900-1700 m.
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