Rhizome long-creeping, 1-1.5 mm ø; fronds 1-2 cm apart; scales thin, light brown, to 3 by 1 mm, edges with few short hairs; phyllopodia 6-8 mm long. Sterile frond: stipe 2-3.5 cm; lamina 4-7 cm by 9-13 mm, widest at or below middle, gradually narrowed distally, apex acute, towards base similarly narrowed and then decurrent as a narrow wing for 10-15 mm; pale thin edge distinct; veins visible but not prominent; scales on both surfaces minute, dark brown, with short spreading hairs. Fertile frond: stipe 4-6 cm; lamina 2½-3 cm by 9-12 mm, widest ⅓ from base, narrowed to blunt apex and more abruptly to base, with narrow basal wing as sterile.
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