Greek ana - upward, gramme - line; referring to the sorus arrangement on the veins.
Rapidly growing, mostly small, short-lived ferns. Rhizome extremely short, erect, with hairs or scales. Sterile and fertile fronds similar. Fronds mostly less than 10 cm long, divided 2 or 3 times into small fan-shaped segments, veins free. Sori in clusters scattered along the forked veins. Indusia absent.
c. 7 species of tropical and temperate regions (1 in Australia).
Spores.
Annual habit; scales and hairs few and white.
Tryon (1962).
Source: (1995). Adiantaceae. 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.