Family: Ophioglossaceae - Adder's-tongue family
Growth Habit: Annual
Bangla/Vernacular Name: Ekbir.
Tribal Name: Soy maisha, Ghamassya (Chakma), Achakhing-buwei/Asakkhu (Khumi), Simskrankhi (Marma).
English Name: Flowering fern.
A stipate fern with thick, fleshy, creeping rhizome. Sporangia in small, crested clusters, those form a long, loose spike.
Rhizome of the plant contains 4 flavonoids, ugonin A, B, C and D, stigmasterol, fucosterol and dulcitol (Asolkar et al., 1992).
The crushed leaves are taken with sugar for health improvement (Chakma).
Boiled fronds are taken to stop burning sensation during urination (dysurea). Leaves are cooked as vegetables (Khumi).
Helminthostachys zeylanica (L.) Hook.
The plant has intoxicating properties; used in sciatica. It is regarded in the Moluccas as a mild aperient. The plant is also used to stop hemorrhage by the tribal in Khagrachari. Decoction of the rhizome is used in impotency. In Bandarban, root juice along with other plants is given orally in jaundice by the Marma. Leaf juice relieves tongue blisters.
Chittagong Hill Tracts, Maheshkhali, Sundarbans and occasionally in other places.
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