Description from Flora of China
Plants short, 10-15 cm tall. Rhizome erect, short, 3-4 mm in diam., apex with light brown scales. Fronds dimorphic; stipe light straw-colored, slender, 6-8 cm (stipes of sterile fronds shorter), less than 1 mm in diam., glabrous; sterile fronds slightly shorter than fertile fronds, pinnules similar in shape but wider, margins with acute teeth; fertile fronds: lamina 2- or 3-pinnate, triangular in outline, 5-10 × 3-5 cm; pinnae ca. 7 pairs, alternate or subopposite, basal pairs ca. 2.5 cm apart, spreading, bipinnate, narrowly ovate, ca. 4 × 2 cm, stalked (ca. 6 mm); pinnules ca. 3 pairs, slightly ascending; ultimate pinnules oblong-lanceolate, 0.7-0.9 × 0.2-0.25 cm, base broadly cuneate, margin entire, apex obtuse; upper pinnae simpler, sessile; midvein conspicuous, pale green, veins not conspicuous, simple or forked; lamina pale green, herbaceous when dried, glabrous; rachises and costae pale green and with narrow wings.
● Fujian (Xiamen).