Rhizome creeping, succulent at growing apex, ca. 3 cm in diam., densely scaly; scales reddish brown, linear-lanceolate or ovate-lanceolate, ca. 8 × 0.5-2 mm, thin and soft. Fronds remote, 0.7-1.1 cm; stipe stramineous, 40-60 cm, ca. 4 mm in diam., base scaly as rhizome, upward glabrescent; lamina 2(or 3)-pinnate-pinnatifid, lustrous pale green when dried, elliptic or ovate-oblong, 35-50 × 20-25 cm, herbaceous, base cuneate, apex abruptly narrowed and forming an acute terminal pinna, rachis glabrescent; lateral pinnae 4-6(-8) pairs, alternate, with to 1.5 cm stalk, obliquely spreading; lowest pinnae (linear-lanceolate or) lanceolate, 15-18 × 4-4.5 cm, base broadly cuneate, apex acuminate; primary pinnules 15-18 pairs, shortly stalked, spreading, oblong-rhombic, ca. 3.2 × 1.5 cm, base acroscopically truncate and auriculate, basiscopically cuneate, apex acute, margin deeply pinnatifid (with proximal 1 or 2 pairs of lobes free), basal basiscopic primary pinnules occasionally longer and pinnate; ultimate segments with apex acute, margin serrate with cuspidate (or mucronate) teeth; axes and veins of ultimate segments with scattered minute brown threadlike scales abaxially. Sori large, terminal on veinlets, 1-3(-7) pairs per ultimate segment, closer to margin than to midvein; indusia dark brown, firmly membranous, and entire (or ciliate).
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