Rhizome without the scales 1-2 mm diam., white waxy. Scales nearly black, with pale border quickly diminishing or disappearing towards the apex, distinctly acicular, often curling backward, not bearing multiseptate hairs, with marginal setae at least in distal part, peltate, 3-5 mm long. Stipes 1-1.5 cm apart, dark brown, not grooved, 3-7 cm long, glabrous or with few scales. Lamina simple, entire to pinnatilobed, glabrous, 8-13 by 0.6-1.5 cm, leaf not or slightly dimorphous. Leaves entire or nearly so, sometimes with some basal lobes, linear. Margin flat or nearly so, not distinctly crenulate even towards the apex. Fertile leaves entire or nearly so, sometimes with some basal lobes, linear. Margins not distinctly crenulate even towards the apex. Veins in sterile leaves parallel, once or twice branched from the base, reaching the margin. False veins not present. Sori separate, at the forking point of veins. Indusium also attached along the sides, pouch-shaped, oblong, about as wide as long, c. 1 mm, upper margin not elon-gated, truncate or slightly rounded, extending to lamina margin or not.
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