Rhizome 3-4 mm thick, long-creeping, phyllopods 3-9 cm apart, buds halfway along the internodes. Anatomy: vascular strands 9-12, sclerenchyma sheath distinct, sclerenchyma strands up to 20 or more, scattered within the vascular cylinder. Rhizome scales spreading, peltate, 8-14 by 1.5-2.5 mm, entire, shining brown. Fronds monomorphic, stalks to 2-27 cm long, up to 0.2-0.5 as long as the lamina, lamina 22-65 by 1.5-4(-5.7), index 10-12, linear, base narrowed, apex obtuse to acute. Venation: veins distinct, veinlets not anastomosing, free veinlets simple or forked, excurrent. Hydathodes absent. Stellate hairs dimorphic, forming a dense mat, whitish to brown, the straight upper rays acicular. Sori apical, to 2.5 mm wide, 3 or 4 in a single row in each areole, superficial, developing in acropetal sequence. Sporangia long-stalked, paraphyses with long, curly rays. Spores with irregular ridges and protuberances.
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