Thelocactus ( CommonName Not Available )
This group of florescence cactus is native to the Southwestern United States , Central , Eastern and Northern Mexico . The body of the cactus is round and chunky and may have rib or verruca , bet on the coinage . Diurnal flowers are gaudy , large , funnel - shape , and maturate from Depression on the poll . The thelocactus species are often grown as houseplants . Soil should be gritty and well - debilitate ....