Gibbs Russell, G.E. (1977) Keys to Vascular Aquatic Plants in Rhodesia Kirkia 10(2) 411-502
Obermeyer, A.A. (1966) Hydrocharitaceae Flora of Southern Africa 1
Simpson, D.S. (1989) Hydrocharitaceae Flora of Tropical East Africa
Symoens, J.J. (2009) Hydrocharitaceae Flora Zambesiaca 12(2)
Aquatic, annual or perennial herbs, submerged or rarely floating. Stipules 0. Flowers unisexual or bisexual, mostly actinomorphic, arranged in a spathe. Perianth tube often present in female and bisexual flowers, usually extending to carry the flower to the water surface. Perianth segments 3 or 6, if 6, differentiated into sepals and petals, sepals and petals free. Stamens 2-many, staminodes often present in female flowers. Ovary inferior, of 2-15 connate carpels, 1(-3)-locular. Styles 2-15. Fruit a capsule. Worldwide: 15 genera and 80 species, cosmopolitan. DRC: 1 genus and 1 taxon. |
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| Genus | Content |
| Ottelia Pers. | Description |