Description: Rhizome short-creeping, scaly, covered with masses of densely hairy roots; scales clathrate, narrow, attenuate, with toothed hair-like apices.
Fronds crowded, sessile or stalked. Lamina linear, obovate, oblanceolate to suborbicular, erect to pendulous, thinly coriaceous; apex often acuminate; venation anastomosing, without included free veinlets (or free in two non-Australian species); areoles narrow; midvein becoming immersed distally.
Sori in grooves, usually spreading irregularly along the veins; paraphyses present, filiform, with or without an enlarged apical cell.
Distribution and occurrence: World: c. 40 species, pantropical. Australia: 5 species in Qld and N.S.W.
Text by D.L. Jones in Flora of Australia Volume 48, added by Matt A.M. Renner (5 May 2020)