Rhizome thin, long-creeping, forming two branches at each division, scales dark brown. Fronds divided 2-4 times, large, eventually growing to over 1 m long and then developing a twining habit, the midrib characteristically zig-zag on mature fronds. Stalk relatively long. Segments to about 4 cm long, 2.5 cm wide, leathery with a pale border.

Needs shelter and warmth.

C and S America.

Large, often scrambling, dark green fern with characteristic zig-zag midrib on mature fronds.

Source: Spencer, R. (1995). Adiantaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 1, Ferns, conifers & their allies. The identification of garden and cultivated plants. University of New South Wales Press.