Willd., Sp. Pl. 5:429.1810 Terrestrial, to 60 cm tall. Leaves mostly 2-pinnate, a few 1-pinnate; petiole atropurpuraceous, sparsely to moderately scaly at least when young, the threadlike, curly scales persisting on rachis; leaflets asymmetrical, mostly 3-6.5 cm long, seldom more than 1.5 cm wide, narrowly tapered, the apex acute to acuminate, the lower edge nearly straight, the proximal edge nearly paralleling the rachis, the underside not glaucous, the sterile margins unevenly and finely biserrate. Sori interrupted along upper and distal margins with the apex usually sterile. Croat 7815.