Rhizomes creeping, scaly. Stipes and rachises glabrous except at very base. Laminae ovate or elliptic, 12-30 × 6-18 cm, 3-4-pinnate at base. Primary pinnae alternate, 9-12 on each side of rachis. Ultimate pinnules very variable in size and shape, generally longer than broad, narrowly obovate, obovate, broadly obovate, or rhombic, 5-17 × 3-16 mm, cuneate at base, with stalk attached ± centrally, most divided into 2 or more distinct lobes, glabrous, bright green. Indusia ± reniform with prominent sinuses, glabrous, 1-8 per pinnule on outer margin only.