Annual or perennial herbs. Leaves alternate. Flowers in spikes or heads. Modified sterile flowers 0; all flowers fertile. Perianth segments 5, equal or ± so. Stamens 5, the filaments fused for at least half their length. Ovary with numerous ovules; stigmas 2-3. Capsule circumscissile. Seeds black, flattened, shiny. Worldwide: 14 species in tropical and South Africa Angola: 0 taxa. |
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