Plants (30-)50-80 cm tall. Rhizome erect, short, apex scaly; scales reddish brown in center, narrowly triangular, costate with narrow pale denticulate margin. Fronds caespitose, rarely simple, usually pinnate with terminal pinna conform with lateral ones; stipe 7-10 cm in simple fronds but 20-25(-40) cm in pinnate fronds, grayish green, scaly at base, subglabrous when old, adaxially grooved; lamina (in simple fronds) linear-lanceolate, 15-35 × 1.5-2.5 cm, lamina in pinnate fronds ovate, 18-35(-50) × 10-26 cm; pinnae 2-6 pairs, lower pinnae subopposite, with stalk 3-5(-10) mm, lanceolate to linear-lanceolate, 12-16(-20) × 1.5-2.6 cm, base cuneate and decurrent on stalk, margin repand to sinuate, apex acuminate to caudate. Veins obvious, costa stramineous, notably raised on both sides, veins 2-or 3-forked, free. Fronds papery to subleathery when living, grayish green to brown when dry, abaxially with small, dark brown, fimbriate scales along costa, subglabrous when old; rachis grayish green, with small, dark brown, fimbriate scales. Sori linear, 5-10(-15) mm, median to supra-median on acroscopic veinlets; indusium gray, linear, membranous, entire, opening toward costa, persistent.
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