Plants 50-90 cm tall. Rhizome shortly creeping to erect, scaly. Stipe terete to semiterete, sulcate toward rachis, ca. 40 cm, base dull brown or green, with pale brown, narrowly triangular scales, 8-10 × 1.5-2 mm with basal margin fimbriate. Lamina ovate-oblong, 40-50 × 22-25 cm, apex acute, 3-pinnate or 4-pinnatifid; pinnae 10-15 pairs, lower pinnae opposite or subopposite, close to each other, stalk 0.6-1 cm, upper pinnae alternate, 1-3 pairs of basal pinnae not reduced, ovate-triangular, 12-17 × 3-7 cm, base broadly cuneate, 2-pinnate, apex acute; pinnules 9-11 pairs, anadromous, stalked, basal pair longest, narrowly triangular to ovate, 5-7 × 2-2.5 cm, base cuneate, pinnate, apex subacute; ultimate segments alternate, basal acroscopic segment largest, oblong, 3-4 × 1-5 mm, bifurcate or simple, apex subacute to obtuse. Veins raised on adaxial surface, 1 per ultimate segment, not reaching margin. Fronds fleshy, green, with small hastate-stellate scales on abaxial surface; rachis and costa green, sulcate adaxially, with narrow lateral wings. Sori 1 per pinnule, median on subtending veinlet, oval to linear, 3-5 mm; indusia grayish, oval to broadly linear, membranous, entire, opening toward costule and margin, persistent. Plants agamosporous, octoploid: 2n = 286.
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