Rhizome scales basifixed, 15-35 by 4-10 mm, index 2 (3-5), widest near the middle, margin with a 1.5-3.5 mm wide flabelloid zone and short hairs, apex rounded, midrib present. Fronds: base fronds sessile, green, recurving when old, 50-110 by 25-55 cm, upper part erect, 2-5 — forked unequally, basal fringe conspicuous, veins immersed. Foliage fronds maturing subsequently, asymmetrical, 50-125(-200) cm long or longer, 3-7 F forked with 4 main lobes, lateral lobes spreading, sterile, 2-4 forked, central sterile lobe elongated, pendulous, 3-6 t forked, central fertile lobe simple, semicircular to reniform, horizontal, 7-36 by 5-20 cm, stalk 2-9 cm long. Hairs with 7-8 rays to 0.5 mm long. Soral patch completely covering the fertile lobe, sporangia with 9 or 10 indurated annulus cells, interspersed with long-stalked receptacular paraphyses with apical clusters of 12-20 short, clavate rays. Spores 8 per spo-rangium.
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