Roots not proliferous. Stems erect, unbranched; scales black with brown margins, lanceolate, 2--5 × 0.6--1 mm, sparsely denticulate. Leaves monomorphic. Petiole dark to light brown throughout, dull, to 1 cm, 1/10--1/15 length of blade, indument of scales throughout. Blade narrowly elliptic to narrowly lanceolate, pinnatifid, 4--15 × 1.5--6 cm, thick, sparsely puberulent to glabrescent; base gradually tapered; apex obtuse, not rooting. Rachis light brown to tan, dull-scaly; scales brown, lanceolate. Veins free, obscure. Sori 3--7 pairs per pinna, on both basiscopic and acroscopic sides of lobes. Spores 64 per sporangium. 2 n = 72.