An as yet unidentified species of Dyckia from the area of Segregado in the state of Rio Grade do Sul, the southernmost state of Brazil. A very robust species with broad, succulent leaves that taper to a point. The color is glabrous green and bear very large marginal spines. It reaches about 12 to 18 inches across in a full, almost spherical rosette. The plant comes from central Rio Grande do Sul, an area of hills and rock outcrops, ideal for Dyckias. It is a temperate region with sub-tropical summers and cool winters.