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Epidermis in a cross section through Crassula ovata
1 lower epidermis
2 guard cell (longitudinal section)
English name: Jade plant, money tree
Scientific name: Crassula ovata
Leaves of Crassula ovata have cells with large vacuoles and contain much water. This species utilizes the so-called Crassulacean Acid Metabolism. The epidermis is bilayered and the cuticle is relatively thin but a wax layer (shinny surface) gives effective protection. The stomata are not sunken.