Tacinga is a genus in the cactus family Cactaceae, native to northeast Brazil (from northeast Minas Gerais to southern Rio Grande do Norte, including Bahia, Sergipe, Alagoas, Pernambuco and ParaÃÂba). Once thought to be monotypic, the genus now comprises 10 species and 3 hybrids.
As of 2025, Plants of the World Online accept these species: