Asplenium appendiculatum subsp. appendiculatum

Terrestrial or lithophytic fern. Rhizome short, covered with linear, tapering, dark brown scales. Fronds tufted, erect, 15–25 cm long, leathery. Stipe shorter than lamina, stout, grooved; scales similar to those of rhizome, numerous. Lamina lanceolate to oblong, 2–3-pinnate, dark green; rachis grooved, green, with scattered scales. Pinnae close together, narrow-triangular, up to 10 cm long, often with drawn-out tips, thickened basal edge of primary pinnae decurrent on raised edge of rachis; pinnules close together, linear-oblong, to 15 cm long (before becoming further pinnate), gradually decreasing in size along primary pinnae, margins entire or pinnae broader and narrowly lobed. Sori oblong, submarginal, borne singly on lobes or pinnules; indusium oblong, pale.