Aizoon  

Annual or perennial succulent herbs, Leaves succulent, alternate or opposite, exstipulate, petiolate or sessile. Flowers solitary or clustered, axillary or in the forks of branches Calyx 5-lobed. Stamens many in 5-bundles, episepalous, petaloid staminodes 0. Ovary 4 5-chambered, usually with many ovules per chamber, styles 4 - 5, free. Capsule dehiscing by 5 valves, many seeded.
Represented by 2 species in Saudi Arabia.