Stem black, up to ca. 0.8 m tall, 1-2 cm in diam., covered with stubs of persistent frond bases, apex densely scaly; scales dark brown, narrowly triangular-lanceolate, ca. 1 cm, entire, subulate. Fronds tufted; stipe ca. 3 cm; lamina bipinnatifid, elliptic-lanceolate in outline, narrowed downward, up to 40 × 10-14 cm, papery, both surfaces glabrous; pinnae to 30 pairs, pinnatifid, oblong-lanceolate, 6.5-8.5 × 1.4-1.8 cm, bases decurrent with triangular lobes between, apex acuminate; lower pinnae much shorter, basal ones triangular auricles; lobes 13-15 pairs, oblong or triangular-oblong, up to 9 × 3 mm, margin entire, apex acute. Fertile lamina as large as sterile lamina, slightly narrowed, pinnae caudate. Sori linear, adjacent and parallel to costules; indusia brown.