Rhizome creeping, up to 2.5 mm diam., phyllopodia up to 4 mm long, dark brown to black, lacking aerophores, densely set with pale to dark brown, scariose, narrow-lanceolate scales up to 5 x 0.5 mm; stipe approximate, terete, firm, trophophyll stipe up to 78 mm long, sporophyll stipeusually longer than that of trophophyll, up to 92 mm long, densely set with pale brown, scariose, narrow-lanceolate scales which are shallowly dentate or with a few long filiform outgrowths along the margin, up to 3 x 0.3 mm; trophophyll simple, entire, herbaceous, broad-elliptic to ovate or spathulate, up to 60 x 13 mm, venation free, ventral surface densely set with pale brown, scariose, lanceolate attenuate scales, entire or shallowly dentate, peltate scales varying much in size, up to 1.5 x 0.2 mm, dorsal surface glandular, with scales similar to that of ventral surface along midrib, otherwise scaleless; sporophyll simple, entire, herbaceous, narrow-elliptic to ovate, up to 30 x 10 mm, ventral surface densely set with pale brown, scariose, lanceolate attenuate scales with few long filiform outgrowths along margin, peltate scales varying much in size, dorsal surface with few scales along midrib similar to that on ventral surface; sori acrostichoid, annulus large, 12-14(12)-celled, spores monolete, reniform to rotund, sporoderm with low, short or long reticulate ridges, except for a clearly defined straight central ridge, crests and areas between spinulose, variable in size and density, 45-50 µm diam.
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Rhizome up to 145 mm long, c. 1 mm in diameter, set with castaneous, narrowly lanceolate, attenuate, serrulate, hair-pointed rhizome-scales up to 4 x 4 mm. Fronds erect, spaced c. 5 mm apart, membranous; stipe brown (with a darker phyllopodium c. 5 mm long), up to 145 mm long, set with squarrose, pale brown, lanceolate, attenuate, serrulate scales up to 2 mm long; sterile lamina narrowly-oblong, acute, up to 65 x 18 mm, set with pale brown, lanceolate, serrulate scales up to 1.5 mm long on both surfaces, base broadly cuneate; midrib not very prominent; fertile lamina narrowly oblong to elliptic, up to 32 x 10 mm, acute to rounded, base broadly cuneate to truncate, hardly decrescent.
Terrestrial or epilithic. Rhizome widely creeping, scales dark brown. Fronds simple, erect, sterile lamina elliptic to slightly oblong or narrowly ovate, 15-60 x 7-12 mm, apex rounded, base tapering, adaxially set with pale brown, peltate scales, abaxially glabrous, with scales on midrib only; fertile frond similar to sterile frond, stipe longer, lamina oblong-elliptic to narrowly ovate, 17-32 x 7-10 mm; margins entire, ciliate; stipe densely set with pale brown scales. Sporangia acrostichoid except for midrib.
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