Aloinopsis malherbei
Botanical name: Aloinopsis sp.
Common names: Aloinopsis, Living Stone
Family: Aizoaceae
Origin: South Africa
The genus Aloinopsis is closely allied to Titanopsis. Drought-tolerant; suitable for xeriscaping.
Like all living rocks, they thrive in porous soils with excellent drainage.
Link to this plant:
https://toptropicals.com/catalog/uid/aloinopsis_sp.htm