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Asparagaceae family

Sansevieria trifasciata
Prain
, Bengal Pl. 2: 1054.  1903.

Lanng bèlmè. Mother-in-law’s tongue.
Naturalized quite rare herb of dry areas.
Native to western Africa (Zaire, Nigeria).

Also a cultivated ornamental.  
Very similar to Sansevieria hyacinthoides but lacking the red-brown edge to the leaf.