fern. Rhizome short creeping, densely clothed witth dark brown scales. Stipe
tufted not articulate upon the rhizome. Grooved on the adaxial surface. Fronds
erect, limited in growth, finely disected, glabrous, ultimate pinnules segments
and usually cuneate, ultimate lobes having a single veinsor vein once or twice
forked. Veins free, midrib of the pinnules grooved. Sori marginal, termanal on
the veins, each served by one vein or fused and served by 2-3 veins. Indusium
attached to the margin. Spores bilateral, non-perinous.