Hook., Species filicum 2(5):81A.1851
Terrestrial, usually to about 50 cm tall; rhizome short-creeping, densely scaly. Leaves 1- or 2-pinnate; petiole, rachis, and petiolules blackish and shiny; leaflets ovate, acuminate at apex, oblique and obtuse to truncate or cordate at base, to 9 cm long and 7 cm wide, glabrous and glaucous beneath, the sterile margins coarsely and unevenly serrate; petiolules slender, 2-7 cm long. Sori interrupted along margin. Aviles 79.
Uncommon to rare, in the forest.
Not confused with any other species on the island. Distinguished by its large, ovate, long-petiolate leaflets. Mexico to Colombia. In Panama, known from tropical moist forest in the Canal Zone, Bocas del Toro, Panamá, and Darien, from premontane moist forest in Panama (Panama City), and from premontane wet forest in Chiriqui.