Type: Brazil, western part of Bahia, W Rio São Francisco, municipality of Wanderley, 12°8’49.93”S – 43°54’25.29”W, transition zone Caatinga/Campo Cerrado, together with cacti on calcareous outcrops of the Bambui limestone series; elevation about 630 m. Ex cult., fl. May1994, E. Esteves Pereira E-403 (holo UFG – 18.175).