Are Frailea and Cyathodes both types of plant?
Frailea Frailea is a genus of globular to short cylindrical cacti native to Brazil. These species are cleistogamous. They were first classified in the genus "Echinocactus".
Silene villosa Silene villosa, or Desert Campion, is a therophyte and an annual plant of the family Caryophyllaceae and genus "Silene". It has ascending and spreading branches of around 50 cm. It blooms from February to April and its flowers are white, tubular, and solitary.