Habitat: Throughout the greater part of India, up to an altitude of 1,200 m.
English: Walking Maidenhair Fern. Black Maidenhair (A. venustum G. Don is also known as Hansaraaja.)Ayurvedic: Hansapadi, Hansapaadi, Raktapaadi, Kitamaataa, Tri- paadikaa, Hansaraaja; a substitute for Taamrachuda-paadikaa.Siddha/Tamil: Seruppadai.Folk: Raajhans, Mubaaraka.Action: Febrifugal, antidysenteric, soothing agent in erysipelas. The rhizome is also prescribed for strangury, atrophy, emaciation or cachexy, muscular pain; emetic in large doses.
Along with other therapeutic applications, The Ayurvedic Pharmacopoeia of India indicates the use of the dried whole plant in psychosis-related fear. (It is one of the ingredients of the classical drug Maanasamitra Vataka, prescribed for mental disorders.)The chemical constituents are chlorophyll-degradation products and higher carotenoids.Dosage: Whole plant-1-3 g (API Vol. III.)