Rhizome much branched, hollow, 1.5-2.5 cm thick, forming a compact clump to 1 m across enclosing branches of trees, covered with branched glandular hairs. Phyllopods hollow, prominent, 0.5-1.5 cm high, fronds on some replaced by coralloid outgrowths to 2 cm long. Fronds (internally) dimorphic, stalked, deeply pinnatifid; stipe 6-20 cm long, to 5 mm thick; lamina 20-70 by 12-20 cm, decurrent on the stipe, mid green, chartaceous. Pinnae slightly ascending, sterile 1.2-2 cm wide, apex acute to rounded, fertile 1-1.5 cm wide, apex acute. Venation with recurrent freely branching included veinlets. Sori round, deeply immersed, on orbicular marginal lobes, 12-16 on each pinna. Sporangia 0.4-0.5 mm long, on stalks to 0.8 mm long; spores 64, to 80 µm long.
Home