1) Medicinal plant 
Turbinicarpus is a genus of very small to medium-sized cacti, which inhabit the north-eastern regions of Mexico, in particular the states of San Luis Potosí, Guanajuato, Nuevo León, Querétaro, Hidalgo, Coahuila, Tamaulipas and Zacatecas. ==Ecology== These succulent plants grow mostly on limestone soil (never on volcanic soil), at altitudes betw...