Dipteris conjugata Reinw.

Terrestrial or rarely lithophytic ferns. Rhizome creeping, to c. 1.5 cm diam., covered with stiff reddish brown bristles. Frond arching, to c. 3.5 m long. Stipe stout, to 2.75 m long, bearing bristles at the base, otherwise smooth and glabrous. Lamina divided to the base into 2 flabellate halves, dark green above, glaucous beneath, coriaceous, glabrous; each half to more than 60 cm long, usually twisted through 90º in the living plant, spreading ±horizontally, deeply divided into 4 unequal lobes which are themselves less deeply divided 1 or more times; lobes tapering into narrow acute apices; margins coarsely toothed; main veins repeatedly forked. Sori small and numerous, borne on minor veins over most of the lower surface.

Terrestrial, in clearings, rainforest margins and beside tracks, at altitudes of 500–1000 m.