Rhizomes far-creeping, scaly. Stipes and rachises stiffly hairy. Laminae ovate or broadly ovate, 15-35 × 10-25 cm, (2)-3-pinnate. Primary pinnae alternate, 2-5 on each side of rachis bearing secondary pinnae, and a terminal portion with 10-18 undivided primary pinnae on each side. Ultimate pinnules ± oblong or parallelogrammoid, often curved acroscopically at the apices, 6-25 × 3-8 mm; stalk attached at proximal corner; upper and outer margins deeply lobed, lower and inner margins entire; both surfaces glabrous, dark green. Indusia ± reniform with prominent sinuses, glabrous, up to 14 per pinnule on upper and outer margins, sometimes extending to apical part of lower margin.