Plants 60-70 cm tall. Rhizome erect, densely covered with ovate-lanceolate brown scales. Stipe stramineous, 24-26 cm, 3-4 mm in diam. at base, densely scaly; scales brown, with a dark brown center, ovate or lanceolate, margins toothed. Lamina oblong-lanceolate, 52-65 × 16-20 cm, base not contracted, 1-imparipinnate, apex acute; rachis with lanceolate or linear brown scales. Lateral pinnae 20-22 pairs, spreading, shortly stalked, lanceolate or broadly lanceolate, falcate; middle pinnae 9-10 × 1.8-2 cm, base oblique, acroscopic margins truncate and with triangular auricles, basiscopic margins broadly cuneate, margins often serrulate, apex acuminate; terminal pinna rhombic-ovate, lower portion with 1 or 2 shallow lobes, ca. 4 × 3 cm; papery, glabrous on both surfaces; venation pinnate, slightly raised abaxially, indistinct adaxially, veinlets anastomosing to form 3 or 4 rows of areoles. Sori throughout abaxial surface of pinnae; indusia margins entire.
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