Sanseveria steel Botanically known as Sansveria silver Steel from Asparagaceae family. Common name are Sansevieria steel, Mother In Laws Tongue, Snake Plant, Sanseveria, Bowstring Hemp, devil's tongue, jinn's tongue and snake tongue etc. It is an evergreen perennial indoor/outdoor attractive succulent plant.According to Vastu, Snake Plant can be best positioned in eastern, southern and south-eastern corners of your house. You must avoid placing the plant above any table or surfaces and it must not be bordered by any other indoor plants.