Rhizomes short, erect, spreading by wiry stolons which have fleshy spherical tubers. Blade once-divided (more times in some cultivars) more or less linear in outline, mostly 50-70 cm long but variable, pale green; stalks and midribs pale brown, easily snapped. Segments to about 5 cm long and up to 1 cm wide, sometimes with a few scales and, at the base, a small lobe facing towards the tip of the frond; midrib in lower part of segment; margins toothed or lobed. Indusia kidney-shaped or crescent-shaped, opening towards the tip of the segment.
Can grow in cool areas. Widely cultivated outdoors and sometimes invasive.
Tropics and subtropics.
Wiry stolons generally bearing tubers; segments with midrib displaced to lower half; tips of segments more or less rounded although frequently toothed; indusia mostly opening towards the tip of the segment; cf. N. exaltata.
Source: (1995). Davalliaceae. In: . 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.