Pachyphytum
In spite of the name, which literally means "big plant" (from the Greek "pachys” large and "phytos" plant), they are medium or small size and can reach 15 to 60 cm in height, according to the species .
Graptopetalum
The plants of the genus Graptopetalum in English are also called "Leatherpetal", that means leather petals: they have flowers with particularly thick and sturdy petals, although small and grouped [...]