This genus comprises approximately 40 species of perennial succulents that originate from South Africa. The plants feature fleshy, lumpy, cone-shaped leaves in shades ranging from grey-green to purple. They produce yellow flowers that open during the night.

Stomatium agninum

Stomatium alboroseum is a low-growing succulent that reaches a height of up to 4 cm. Its robust, three-angled leaves are a grey-green color and feature numerous small white tubercles on their surface. In early spring, this plant produces slender white flowers, measuring up to 1.5 cm in diameter, which emit a pleasant fragrance and typically bloom in the afternoon or evening.

Stomatium alboroseum

This low-growing succulent reaches a height of up to 4 cm and features robust, three-angled leaves that are grey-green and adorned with small white tubercles. The leaf margins display distinct teeth. In the spring, it produces numerous fragrant yellow flowers that can measure up to 1.5 cm in diameter, typically blooming in the afternoon or evening.