Malayalam : Katurohini/ Katukhurohini/ Katukhruohani.
Tamil : Katuku-rogani/ Katkurokini/ Katukuroni.
Telugu : Katukaroni/ Katukarogani/ Nallakola wara.
English : Black heliebore/ Hellebore/ Kurroa
It is a small, hairy, perennial herb with a long woody root stock. The leaves are long, with serrated edges and the flowers are white or bluish located terminally on long racemes, the fruits are ovoid capsules. The dry rhizome is deep greyish brown, cylindrical and wrinkled longitudinally.