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DescriptionPerennial herbs or small shrubs, prostrate or decumbent, with succulent, green stems. Leaves opposite, sessile, finely papillose. Flowers terminal or axillary, solitary or in cymes. Perianth segments 5. Staminodes ± linear. Stamens whitish. Ovary 5-locular; stigmas 5. Fruit a 5-locular capsule; keels with membranous wings.