Cereus spegazzinii f. cristata - One Off SpecialsThis Cereus spegazzinii, also known as Monvillea spengazinii, is a crested form of the cactus from South America, native to regions of Argentina, Bolivia, Brazil, and Paraguay. This form results from a mutation that disrupts apical growth, leading to a fan like, undulating shape rather than the cylindrical habit typical of the species. In its natural environment, it occurs in open, arid grasslands and rocky outcrops with good drainage and high