Information

Rhizome c. 5 mm. in diam., subterranean, creeping, usually surrounded by a dense mat of roots, with closely spaced fronds and with subulate entire brown rhizome scales which are darker towards their hair-point apices. Stipe castaneous. up to 28 cm. long, glabrous except at the base. Frond erect, thinly coriaceous, Lamina broadly deltate in outline, 4-pinnatifid with the lowest pair of pinnae about as long as the rest of the lamina and much developed basiscopically; pinnules set at an acute angle to the castaneous secondary rhachises; ultimate segments up to 1 cm. long, cultrate, glabrous, strongly dentate-serrate, adnate to the rhachis and decurrent at the base. Sori c. 0.5 mm. in diam., minute, solitary in the sinuses of the marginal teeth of the ultimate segments; indusium minute, broadly ovate, irregularly crenate, semi-transparent.