Leistner, O.A. (2005) Seed plants of southern tropical Africa: families and genera SABONET Report No. 26 SABONET, Pretoria
Freshwater aquatic herbs, submerged, floating or growing in swamps, with slender, densely leafy stems bearing adventitious roots. Leaves spirally arranged, sessile, linear to filiform, without a basal sheath, bidentate at the apex. Flowers regular, solitary, aerial but without nectaries; pedicels long, in axils of sheathing bracts but may appear to be terminal. Sepals 3, free, green, valvate to subvalvate. Petals 3 free, shortly clawed, imbricate, white. Ovary superior. Fruit a loculicidal capsule opening by 3 valves. Worldwide: 3-9 species in tropical America, 1 in tropical west Africa. DRC: 1 taxon. |
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| Species | Botanical divisions | Content |
| baumii Gürke | XI | Description |