Terrestrial, usually to about 50 cm tall; rhizomeshort-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 atbase, to 9 cm long and 7 cm wide, glabrous and glaucous beneath,the sterile margins coarsely and unevenly serrate; petiolulesslender, 2-7 cm long. Sori interrupted along margin. Aviles 79.
Uncommon to rare, in the forest.
Not confused with any other species on theisland. Distinguished by its large, ovate, long-petiolate leaflets.Mexico to Colombia. In Panama, known from tropical moist forest inthe Canal Zone, Bocas del Toro, Panamá, and Darien, frompremontane moist forest in Panama (Panama City), and frompremontane wet forest in Chiriqui.