Rhizome scales basifixed, 12.5-22 by 2-4.5 mm, index 3.5-8, widest near the base, margin with hairs up to 1 mm long, apex acute, midrib absent. Fronds: base fronds sessile, green, recurving when old, 80-110 by 90-180 cm, lower part with sinuose margin, upper part spreading, 3-5 n forked equally, basal fringe conspicuous. Foliage fronds maturing in pairs, symmetrical, 50-120 cm long, with 2 equally long main lobes, each with a wide, horizontal soral patch and two lateral, pendulous, 3-7 F forked lobes. Hairs with 8-13 rays up to 0.25 mm long. Soral patch semicircular, 7-35 by 2-22 cm; sporangia with (15-)17-22(-24) indurated annulus cells. Spores 64 per sporangium.
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