Plants terrestrial. Stem creeping, densely covered with scales; scales linear-lanceolate with long tail apex, concolorous, dark brown to nearly black, denticulate and thick at margin. Leaves
monomorphic, imparipinnate. Laminae ovate to lanceolate-oblong in outline, papyraceous; pinnae 5–8 pairs, subopposite to alternate, terminal pinna distinct, different form lateral pinnae, narrowly ovate in outline with usually slightly pinnatisect at base, widest at base, apex long acuminate, base obtuse to subtruncate, margin subentire to slightly lobe; lateral pinnae oblong, apex long acuminate, base obtuse to subtruncate sometimes slightly oblique, margin subentire, serrate near apex, stalked; vein all free, veinlets
3-4 pairs, pinnate, reaching margin. Sori curved, elongate along veinlet, half way between midrib and margin, close to midrib; indusia linear, thin, persistent; spores monolete, bilateral symmetric, kidney-shaped, wing-like folds.
