Sanseviera trifasciata are sometimes called ‘mother-in-law’s tongue’ or ‘snakeskin plant’ because of its long tongue like leaves and the patterned foliage. Grown for their foliage Sanseviera make a good indoor plant. S. hahnii is called the ‘Dwarf Mother In Law Tongue’ and with its fan like foliage Sansevieria Cylindrica sometimes get the name “Fansevieria”.
Grown mainly for the foliage although they do have fragrant flowers as well, and the indestructible nature, yes they are a drought resistant, and almost entirely disease free and pest free plant they grow well in a range of conditions from full sun to low light indoors. The range of plant forms and foliage is widely appreciated by landscapers.