Rhizomes long creeping, 2.5-3 mm in diam., blackish brown, almost without scales, apex clothed with brownish, membranous, broadly ovate-lanceolate scales. Fronds distant; fertile fronds 20-30 cm; stipe blackish brown at base, upward gradually becoming purplish red, 7-10 cm, 1.5-2 mm in diam. at base, base with similar scales, upper part with sparse broadly lanceolate scales; lamina 2-pinnate, ovate-oblong, 14-17 × 7-10 cm at middle, base subtruncate, slightly narrowed, apex acuminate; pinnae 13-15 pairs, lowest two pairs of pinnae slightly shortened, slightly pendulous, 1.5-2.3 cm apart; middle pinnae 4-5 × ca. 1.5 cm at base, broadly lanceolate, shortly acuminate, base truncate, sessile; pinnules 10-12 pairs, spreading, approximate, ca. 7 × 4 mm, oblong-ovate, base subequilateral and broadly cuneate, basiscopic base decurrent to narrow costal wing, margin biserrate, lobed, apex obtuse with triangular short teeth; segments with 2 or 3 short teeth; veins visible abaxially, pinnate in pinnules, 1 veinlet per tooth. Lamina herbaceous when dried, green, rachis and costae with sparse long multicellular hairs and short glandular hairs on surfaces. Sori small, elliptic or orbicular-reniform, abaxial on veins, 1-6 per ultimate pinnule or segment, medial; indusia brownish, orbicular-reniform or narrowly ovate, lacerate at margin.