Rhizome shortly creeping, apex ascending or erect; scales pale-brown, subulate-lanceolate, 4-5 mm, 0.5-1 mm wide at base, margin dentate, base lacerate, clathrate. Fronds clustered; stipe ca. 1 cm or shorter, appressed and winged, base slightly swollen, covered with scales like those on rhizome, verrucate after loss of scales; lamina leathery, linear, 15-20 × 0.7-1 cm; costa obvious, inframedial visible, evanescent upward; veins reticulate, forming 2 or 3 linear areoles. Soral lines linear, submarginal, one row on each side of costa, parallel to costa, or interrupted, slightly immersed in grooves, middle part fertile; paraphyses filiform, longer than sporangia. Spores trilete, tetrahedral-globose, surface ornamentation obscure.
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