| Description:
|
Rhizome creeping, wiry, hairless or with hairs to 1.5 mm. Fronds spaced at 2–10 cm apart. Stipe (2–)4–6 cm long, unwinged or with very narrow wings, hairless or with a few hairs. Lamina triangular to oblong in outline, 7–12 x 4–6 cm, pinnae 5–8, narrowly ovate in outline, to 3 x 2.5 cm; ultimate segments linear, to 4 x 1.5 mm, rounded, margin spinulose to denticulate; glabrous. Rhachis narrowly winged, the wings with narrowly triangular lobes. Sori on the lower acroscopic lobe of the upper pinnae, 2–3 mm long, 1.5–2 mm in diameter; indusial lobes ovate or elliptic, glabrous; receptacle slightly exserted. |