Herbs, often emergent, caulescent in flower, smooth, glabrous; rhizome creeping, submerged, scaly; aerial stem erect, with or without nodes. Leaves radical or cauline, elongated. Inflorescence terminal, cylindric, superposed spike. Flowers numerous, densely crowded, brown, hairy. Fruit a follicle, dehiscing longitudinally by a slit. Seed striate.
Worldwide: Species 29 in marshy and aquatic habitats worldwide.
Botswana: 2 taxa. |
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