Lithops hermetica (Living Stones) is a dwarf succulent that grows solitary or forms small clumps of bodies composed of two fleshy leaves…
Meaning: Hermetic; air-tight
Derivation: Feminine form of the Medieval Latin adjective "hermeticus."
Whereas the generic name must be unique, there are often two or more genera with the same specific epithet. The same epithet can also be used within a species, for subspecies, varieties, and forms.
Here is a full list of succulents with this epithet. Click on the photo or the name of the plant for which you wish to see further information.