n = 40

2n = 80

Rhizome without scales (3 .6–)6 .4– 7 .0(–1 1) mm in diameter, mature rhizome scales up to 12.5 mm long and 2.2 mm wide, margin fringe d with multiseptate hairs and toothed from the base to the apex. Stipe length (6.2–)10.7–12.1(–21.0) cm Lamina (5.1–) 11.3–12.9(–21.0) cm long and (6.1–)14.9–17.0(–28.0) cm wide, basal basiscopic secondary pinnae (2.2–)4.4–5.1(–8.4) cm long and (1.1–)2.6–3.0(–4.8) cm wide, false veins frequently absent, when present usually faint and nearly alway s extending only half way to the junction of the true veins. Larger ultimate fertile segments usually bearing a single sorus and occasionally two or more per segment. Indusia to 3 mm long and 1.8 mm wide.