Description

Rhizome widely creeping, up to 1 cm in diameter; rhizome scales dark brown, lanceolate, tapering to a point, finely toothed, later lost and surface becoming white. Fronds widely spaced, coriaceous, glabrous. Stipe up to 45 cm long, stramineous to light brown, glabrous. Lamina up to 60 × 30 cm, deltate-ovate to broadly oblong in outline, deeply pinnatifid into 4-8 pairs of lobes and a terminal segment. Lobes up to 15 × 3 cm, narrower in fertile than in sterile fronds, narrowly oblong to linear in outline, apex pointed, margins entire to somewhat wavy. Sori 2-3 mm in diameter, in 1-2 regular to irregular lines on either side of the costae, slightly sunken into the lamina, prominent on the upper side, exindusiate, with nonpeltate paraphyses.