Rhizome long-creeping (rarely shortcreeping), often mat-forming; paleae light brown, ovate to ovate-lanceolate, rarely lanceolate, obtuse to acute, 1.0-3.5 × 0.4-1.2 mm. Stipes indistinct, winged almost to base; stipe hairs absent. Lamina spathulate to linear-spathulate, rarely broadly oblanceolate, obtuse to broadly acute, (0.4-)0.5-1.9(-3.0) × (0.2-) 0.25-0.34(-0.5) cm; lamina hairs occasionally present, sparse, brown, multicellular, to 0.7 mm; texture thickly coriaceous; veins invisible, endings not darkened; midrib slightly raised or completely invisible on underside of lamina, concolorous. Sori subglobose to globose, sometimes ± coenosoroid, usually confluent when mature, usually terminal on frond, 1-4(—5) pairs, 1-3 × 1-2 mm, to 8 mm long when coenosoroid; soral vein ± equal in length to basiscopic vein, neither reaching the margin. Sporangia (240-) 252.5-319.1(-400) mcm long; indurated cells of annulus (10-) 11.0-14.0(-20). Spores (31-) 39.2-53.6 (-65) mcm diam.