1. Crassula dubia (Cactus), Conservatory, Hong Kong Park, Central.

2. Description: Crassula perfossa is a small and compact mat forming succulent shrub let that stays relatively low and clumps readily.

3. Cultivation: Crassula perforata is a an to care popular succulent grown also as a suspended plant.

4. Cultivation: Crassula perforata is a an easy to care popular succulent grown also as a suspended plant.

5. The genus Echeveria is a member of the large Crassula family (Crassulaceae), which has about 1,400 species in 33 genera with worldwide distribution.