Rhizome long creeping, ca. 1.5 mm in diam.; scales overlapping, partially caducous, brown, lanceolate, 2-4 × 0.5-1 mm, with broad opaque center, margin dentate, with 1 row of transparent lumina. Fronds ca. 1 cm apart; lamina usually linear, 15-20 × 0.4-0.6(-1) cm, widest at middle, leathery or thinly leathery, sparsely scaly; venation hidden. Sori restricted to distal 1/2 or narrowed apex, medial, orbicular, ca. 2.5 mm in diam., usually protruding beyond margin to give moniliform appearance; paraphyses iridescent, orbicular, 0.3-0.5 mm in diam., with square transparent lumina.
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