Sanseviera

Snake Plant, Mother-in-Law's Tongue, Elephant's Toothpick

Native to Africa, Madagascar and southern Asia

The Snake Plant cleans air better than most other indoor plants as it has the ability to absorb excessive amounts of carbon monoxide. Additionally, it emits oxygen and filters other toxins from the air such as benzene, xylene, trichloroethylene and formaldehyde. When placed in office and home spaces Snake Plants can assist in increasing productivity, decreasing stress, fostering happy vibes and enriching overall well-being and health.

Source: Lifestyle Home Garden

Sansevieria
From Wikipedia, the free encyclope

Sansevieria ehrenbergii in habitat.
Sansevieria is a historically recognized genus of flowering plants, native to Africa, Madagascar and southern Asia now included in the genus Dracaena. Common names for the 70 or so species formerly placed in the genus include mother-in-law’s tongue, devil’s tongue, jinn’s tongue, bow string hemp, snake plant and snake tongue. In the APG III classification system, Dracaena is placed in the family Asparagaceae, subfamily Nolinoideae (formerly the family Ruscaceae). It has also been placed in the former family Dracaenaceae.