Rhizome long creeping, 2-4 mm in diam., usually naked except for scales at apex and near phyllopodia; scales brown with paler margins, ovate-lanceolate, 2-4 × 1-1.5 mm, basifixed, broad base contrasting with long acuminate apex, margin minutely denticulate; lumina subrhomboid to rectangular. Fronds 0.5-2 cm apart; stipe straw-colored to deep brown, 5-25 cm, 1-2 mm in diam.; lamina lanceolate, 15-40 × 1.5-4 cm, widest toward base, leathery or softly leathery, with scales orbicular or lanceolate; lumina brown and hyaline; veinlets obscure. Sori midway between costa and margins, 3-3.5 mm in diam.; paraphyses 0.5-0.8 mm in diam.
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