Rhizome and scales as E. blumeanum. Sterile frond: stipe to 20 cm or more long; lamina light green when fresh, drying dark, thin, 25-45 by 2-2.7 cm, apex acuminate, base more abruptly narrowed and slightly decurrent; thin edge narrow, reflexed; veins distinct; costa rounded and prominent beneath, bearing some dark appressed scales; scales on upper surface pale, thin, flat, circular, short-ciliate, those near edge of lamina sometimes spreading a little beyond the edge; scales on lower surface often (always?) peltate, similar in shape to those of upper surface but firmer and more persistent, when dry with edges turned away from lamina-surface, thus ± cup-shaped. Fertile frond: stipe somewhat longer than sterile; lamina 15-30 cm long, 9-15 mm wide.
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