Rhizome widely creeping, branched, up to 6 mm diam., phyllopodia up to 25 mm long, black to grey, aerophores strongly developed, rhizome densely set with golden-brown, scariose, lanceolate scales with numerous long filamentous outgrowths along their margins, variable in size, up to 12 x 2.5 mm; stipes approximate, firm, pale brown, black at base, shallowly sulcate ventrally, trophophyll stipe up to 150 mm long, sporophyll stipe usually longer than that of trophophyll, up to 180 mm long, few ovate scales with short, more irregular filamentous outgrowths along margin, confined to stipe base, up to 10 x 2.5 mm; trophophyll simple, entire, coriaceous, narrow-elliptic to elliptic, obtuse to longly decurrent at base, up to 320 x 70 mm, venation free, ventral and dorsal surface with small sclerified substellate to stellate scales, scales on ventral surface often confined to lamina base; sporophyll simple, entire, coriaceous, narrow-lanceolate to narrow-elliptic, acute to obtuse or longly decurrent to base, midrib shallowly sulcate ventrally, up to 270 x 40 mm, venation free, ventral surface glabrous, dorsal surface with few sclerified, stellate scales along midrib; sori acrostichoid but often incomplete at base, annulus large, 10-12 (12)-celled, spores rotund, sporoderm forming short and long, narrow to broad, reticulate ridges up to 4 µm high, ridges and areas between with few spinules, variable in length, 27-30 µm diam.
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Rhizome c. 5 mm in diameter, set with squarrose, pale brown, concolorous, narrowly lanceolate, attenuate, irregularly fimbriate rhizome-scales up to 12 x 2 mm. Fronds erect, closely spaced, thickly coriaceous; stipe pale brown, darker brown and set with scales at extreme base, otherwise glabrous, up to 0.24 m long; sterile lamina broadly elliptic, up to 360 x 80 mm, acuminate (broadly acute to broadly obtuse in smaller fronds), base broadly cuneate and scarcely decurrent, set with minute, very scattered, substellate scales less than 0.5 mm in diameter; midrib shallowly sulcate above, convex below, fertile lamina oblong-lanceolate, up to 260 x 40 mm, acute, base shortly decurrent.
Rhizome widely creeping, up to 6 mm in diam., scaled. Fronds erect to arching, up to 360 mm long. Stipe sparsely scaled. Lamina simple, coriaceous; sterile narrow-elliptic to elliptic, up to 320 x 70 mm, minutely stellate-scaled adaxially and abaxially. Sporangia acrostichoid, exindusiate.
Rhizome ± 5 mm in diameter, set with pale brown rhizome scales. Sterile lamina set with scales shorter than 1.5 mm, scales stellate, broadly elliptic to elliptic-oblong, thickly coriaceous, apex acute. Fronds closely spaced, young fronds not viscid.