sansevieria - snake plant, mother in law's tongue
the genus sansevieria belongs to the nolinoideae subfamily of the asparagaceae and contains approx. 66 species. they are commonly known as snake plants. the most popular member is the mother in law’s tongue (sansevieria trifasciata).
there is a wide range of cultivars available, with leaves colored in white, yellow or turquoise. and also with curled leaves.

sansevieria trifasciata cultivars
the succulent plants are growing from rhizomes (rootstocks). those under or on the ground sitting stems sending out the roots and shoots.
the members of the genus sansvieria can by propagated by (leaf) cuttings, division or seeds (hard to get).