Plants 90-100 cm tall. Rhizome widely creeping, stout, densely scaly; scales of rhizome and lower part of stipe thick, dark brown, glossy, ovate, ca. 2 × 0.8 cm, entire. Fronds approximate; stipe stramineous, glossy, 28-40 cm, with lanceolate, entire, pale brown scales; lamina oblong or ovate-oblong, 30-55 × 18-30 cm, pinnatisect, base slightly narrowed or not, apex abruptly acuminate; pinnae 12-16 pairs, alternate, lanceolate or oblong-lanceolate, middle pinnae ca. 18 × 2.3-3.5 cm, base truncate, shortly stalked, apex acuminate or acute; segments approximate, narrowly oblong or oblong-lanceolate, 1.2-1.6 × 0.4-0.7 cm, margin sparsely dentate, each tooth with an aristate tip, apex obtuse and with an aristate tip. Lamina: rachis with linear, membranous, pale brown scales; veins pinnate, usually 3 grouped in segments, all extending to margin, acroscopic one extending into arista. Sori in 1 row on each side of costa, slightly closer to costa; indusia orbicular-reniform, entire.
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