Rhizome slender, glabrescent. Fronds 1.5–9 cm long. Stipes widely spaced, 0.5–4 cm long, usually narrowly winged in distal half, sparsely hairy. Lamina elliptic-oblong, deeply 2-pinnatifid, 1–8 cm long, 0.5–2.5 cm wide; sometimes a pair of shortly stalked basal pinnae present; secondary segments branching from both sides of the costae, simple or 2-or more times divided. Ultimate segments 0.5–1.5 mm wide; margins sharply toothed. Sori borne on short basal segments on the acroscopic side of the pinnae, usually solitary, rarely several to a segment; involucre obovate, bilabiate, divided to the middle or below, 1–2.5 mm long, 1.3–2 mm wide, much wider than the ultimate segments; base cuneate, slightly immersed; margins ± entire to irregular, or finely toothed; receptacle included or slightly exserted.
Commonly forms dense mats on moist granite, sandstone and basalt or on tree trunks in low open microphyll fern/vine forest and Nothofagus forest in subtropical regions and in wet and damp sclerophyll and temperate rainforest further south.
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