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Genus :

HELMINTHOSTACHYS Kaulfuss

Family :

Helminthostachyaceae

Species of this Genus

Description


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.