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