Plants in this genus are generally
prostrate to sprawling branching perennials with
opposite succulent leaves. Inflorescences are a
cyme, and flowers have 5
calyx lobes, 8 to many
stamen, and an
inferior ovary. Fruits are 2 loculed capsules with basal
placentation (see "in plants"), and the fruit is
xerochastic (fruit dehisces when dry). Their seeds are likely dispersed by ants. == Taxonomy ==