Sansevieria

thumb|Sansevieria ehrenbergii in habitat. Sansevieria is a historically recognized genus of flowering plants, native to Africa, notably Madagascar, and southern Asia, now included in the genus Dracaena on the basis of molecular phylogenetic studies. 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 Convallarioideae (formerly subfamily Nolinoideae); before that it was placed in family Ruscaceae. It has also been placed in the former family Dracaenaceae.

==Description== There is great variation within the species formerly placed in the genus; they range from succulent desert plants such as Dracaena pinguicula to thinner leafed tropical plants such as Dracaena trifasciata. Plants often form dense clumps from a spreading rhizome or stolons.