Gender Sansevieria belongs to the family of Agavaceae; the different species are mostly native to tropical and subtropical Africa, but also to India and Madagascar.
The best known is the Trifé Sansevieria (so called because the leaves, long, stiff and fleshy feature green greyish marmurizations and two light green bands on the margins). The variety is mainly cultivated.’Laurentii’, which has the margins orlated by two gold bands. The popular name is ‘in-law language’.
Other species and varieties have the shortest leaves, gathered in rosettes. Flowering is quite rare in our homes and is not particularly ornamental.
They grow with extreme ease: it is almost enough to forget to have them, wetting them little since excessive waterings can cause rot. You can position in full light and close to heat sources, but also in half a shadow. They do not like cold air currents. In the summer months, they can also be placed on the balconies or terraces in the middle of the shadows, and then withdraw them in September. You can also grow in hydroculture.
They should be revamped when filling all the space available in the pot: at the end of winter or early spring, you can put in a somewhat larger container or you can split, separating the underground rhizomes, thus obtaining new plants. A very well drained loam, with a higher sand content or inert materials than other green apartment plants, should be used.
The powder that deposits on the leaves can be cleaned with a soft, slightly damp cloth.
Curiosity: The genre is probably dedicated to Raimondo di Sangrio, Prince of San Severo, a nobleman who lived in the 700s, with numerous activities (from alchemist to writer, from inventor to patron): on his figure there has always been a veil of mystery, probably aroused by himself during his lifetime.