terrestrial fern. Rhizome large, short, globose, erect. Stipe base with
two large leathery, persistent, stipule-like out growth called pulvinas. Fronds
large, small, pinnate to bi-pinnate. Lamina Large lanceolate, linear-lanceolate,
green and- glossy-green in colour. When young with large circinate vernations.
Pinnules stalked or sessile. Margin entire, serrate, cuneate, repando-crenate.
Veins free, usually twice forked, recurrent veins often present between the true
veins, running from the marginal teeth. The lower surface of the pinnule and
stipe base, with different shaped scales. Sori of two close rows of sporangia,
attached along the veins. Spore trilete, indusium present or absent.