Usually prostrate, annual or perennial herbs. Leaves opposite, entire. Stipules 0. Flowers in groups, axillary, ± sessile. Perianth with 5 lobes with a membranous margin and a mucro on the back just below the tip. Stamens 5, free. Ovary superior, consisting of 2 carpels, 2-locular with 2 ovules per loculus. Styles 2, free. Fruit a circumscissile, 4-seeded capsule, the lid splitting into 2 valves. Worldwide: 3 species in Africa, India and Australia. Botswana: 1 taxon. |
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