Plants 20-40 cm tall. Rhizome prostrate, short, ca. 3 mm in diam., apex scaly. Fronds clustered, dimorphic; sterile fronds as long as fertile fronds; stipe straw-colored, brown at base, slightly lustrous, slender, 15-30 cm × ca. 1 mm, smooth or rarely scabrous; lamina digitate, pinnae (3-)5-7, basal pairs nearly 3-forked, rarely or apical pinnae 2-or 3-forked, clustered; terminal pinna narrowly linear, 8-10(-15) × (0.2-)0.3-0.4(-0.8) cm, sessile or shortly stalked, base cuneate, not decurrent, apex acuminate; lateral pinnae similar, shorter, somewhat falcate, sessile, margins denticulate, midvein straw-colored, glabrous, abaxially convex, adaxially grooved; veins conspicuous, separate, straight, parallel to each other, slightly oblique, simple or rarely forked from base; fertile pinnae similar but margins subentire, serrulate only at apex; lamina gray-green, firmly herbaceous when dried, both surfaces glabrous. Indusia linear, pallid, membranous, subentire.