Mainly terrestrial fern with
creeping, erect when young. Rhizome short subterranean bearing numerous roots.
Stipe, erect, fleshy, green or purplish in colour. Fronds tri partite with
erect fertile spike. Lamina shiny glabrescent with 3-4 sets of long linear,
lanceolate segments, all parts separating from the apex of the stipe. Veins
free. Sporophore single and arising at the base of the tropo-phore stalk.
Sporangia radially arranged in stalked clusters interspersed with small sterile
projections. Spores trilete globose, surface with prominent projections.