Rhizome long creeping, ca. 1 mm thick, in cross section usually with a single, central sclerenchyma strand; phyllopodia 1-2 cm apart, lateral buds alternating with phyllopodia. Scales peltate, 3-5 × ca. 1 mm, base entire to ciliate; acumen light brown, often with a distinct hyaline margin, ciliate. Fronds dimorphic. Sterile fronds: stipe 1-1.5 cm; lamina 1-6 × 0.8-2 cm, base cuneate, apex rounded. Fertile fronds very gradually narrowed at base to a stipe of up to 5 cm; lamina 8-25 × 0.45-0.8 cm, apex obtuse to acute. Hydathodes rarely present, few and indistinct. Indument monomorphic, mostly sparse, whitish to brown; hairs 0.2-1.2 mm with spreading to appressed, boat-shaped to ± acicular rays. Sori distinctly sunken, with a distinct central bundle of stellate paraphyses. Sporangia with stalks 1.5-2 × as long as capsule.
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