This "Springtime" is a cultivar -- a hybrid of Crassula perfoliata and Crassula falcata. Crassula perfoliata is native to a region of Africa covering South Africa, Mozambique, and Zimbabwe. Crassula falcata is native to South Africa. They are both succulents, and as such this plant requires a good amount of sun and not too much water.
Phylum/division: Magnoliophyta
Class: Magnoliopsida
Order: Saxifragales
Family: Crassulaceae
Genus: Crassula
Species: Hybrid of C. perfoliata and C. falcata