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HELEOCHARIS T. Lestib.
Annual or perennial, glabrous herbs. Stolons often present in perennials. Culms ranging from 1-2 cm to 150 cm, green, terete, angular or triangular, hollow or filled with pith, smooth or ridged, rarely with transverse septa (E. dulcis). Sheaths pale, tubular, truncate above or ending in a short lobe. Leaves 0. Inflorescence a single terminal spikelet. Lowest 1-2 glumes similar to or different from upper. Glumes spirally arranged, usually numerous; margin often transparent. Perianth segments 3-9 glabrous or barbellate bristles or 0. Stamens 1-3. Nutlet with the style base persistent as an appendage (the style base excluded in all nutlet measurements). Worldwide: c. 120 species, cosmopolitan. Botswana: 11 taxa. |
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| Species | FZ divisions | Content |
| acutangula (Roxb.) Schult. | Description, Image | |
| atropurpurea (Retz.) C. Presl | Description, Image | |
| brainii Svenson | ||
| caduca (Delile) Schult. | Image | |
| cubangensis H.E.Hess[NrEnd][DD] | N | |
| dulcis (Burm.f.) Hensch. | Image | |
| geniculata (L.) Roem. & Schult. | ||
| marginulata Steud. | Image | |
| naumanniana Boeckeler var. naumanniana | Image | |
| nigrescens (Nees) Steud. | ||
| variegata (Poir.) C. Presl | Description, Image |
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