Fronds 30-50 x 3-15 cm, dimorphic; stipe 15-20 cm long; sterile lamina 7-15 x 4-6 cm, simply pinnate; pinnae 2-5 x 2-4, ovate or deltoid in outline, variously lobed, coriaceous, fleshy, glabrous, veins anastomosing, indistinct; fertile lamina 30-40 x 15 cm, simply pinnate, pinnae tripinnatifid, lobes linear, fleshy.