Grusonia densispina

Grusonia densispina (Ralston & Hilsenb.) Pinkava is a member of the Cactaceae family, which includes cacti native primarily to the Americas. The species was formally described in 2002 by Pinkava, building upon the earlier taxonomic work of Ralston and Hilsenb. It belongs to the genus Grusonia, a group of cacti characterized by their columnar growth form and spiny structures. The species epithet 'densispina' likely refers to the dense spination typical of the plant. No further morphological or ecological details are provided in the source data.