Rhizome without the scales 1.8-2.4 mm diam., white waxy under the scales. Scales red-brown with pale border quickly diminishing or disappearing towards the apex, narrowed evenly towards the apex or flat and nearly acicular and narrowed abruptly from a broad base, curling backward (or appressed to rhizome, not crisped, only in the Pacific and New Guinea), not bearing multiseptate hairs, with marginal setae at least in distal part, peltate, 5-7 by 0.5-0.6 mm. Stipes pale, adaxially grooved or not, 0.5-7 cm long, glabrous or with few scales. Lamina simple, entire to pinnatilobed bearing multicellular hairs or glabrous, strongly dimorphous. Sterile lamina narrowly ovate (or ovate), 5-20 by 2-4.5 cm, margin flat or nearly so, not distinctly crenulate even towards the apex. Fertile lamina linear or rarely pinnatifid, 4-16 by 0.5-2.5 cm. False veins not present. Sori separate at the forking point of veins. Indusium attached at the broad base and hardly or not at the sides, semicircular, wider than long, 1 by 1.5-2.5 mm, upper margin not elongated, truncate or slightly rounded, extending to lamina margin or not.
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