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This species is accepted, and its native range is Eritrea to N. Botswana, Arabian Peninsula.
Eleocharis cf. marginulata Hochst. ex Steud.

[FTEA]

Cyperaceae, K Hoenselaar, B. Verdcourt & H. Beentje. Hypolytrum, D Simpson. Fuirena, M Muasya. Flora of Tropical East Africa. 2010

Type
Type: Ethiopia, near Adoa, Schimper II: 915 (P, holo.; K, iso.–not found)
Morphology General Habit
Perennial with thick horizontal rhizome and dense tufted green culms 20–80 cm tall, round and ridged, sometimes compressed above, 1.5–2 mm thick; basal parts of culms often persistent.
Morphology Leaves Leaf sheaths
Sheaths reddish brown or dark purple near base, reddish above, ending in a truncate but mucronate apex.
Morphology Roots
Roots coarse, grey
Morphology Reproductive morphology Inflorescences Spikelets
Spikelet ovoid, 8–20 × 3–4 mm.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes reddish brown (the lowermost paler), 4 mm long, with pale midrib and thin transparent whitish border.
Morphology Reproductive morphology Flowers Perianth
Perianth segments of 6 minutely barbellate bristles slightly shorter than the nutlet
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3, cream
Morphology Reproductive morphology Flowers Gynoecium Style
Style 3branched, white
Morphology Reproductive morphology Fruits
Nutlet dull yellow to olive brown, obovoid, 1.4–1.6 × 1–1.2 mm, bluntly trigonous with narrow apex, slightly rough or smooth; appendage minute.
Ecology
Lake margins, swamps, swampy grassland; may be very common locally; 1500–2600 m
Distribution
Range: Eritrea, Ethiopia Flora districts: K3 K4 K5 K6 T1 T2 T3 T7

Native to:

Botswana, Eritrea, Ethiopia, Kenya, Malawi, Saudi Arabia, Tanzania, Zimbabwe

Eleocharis marginulata Hochst. ex Steud. appears in other Kew resources:

First published in Syn. Pl. Glumac. 2: 78 (1854)

Accepted by

  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Govaerts, R. (2004). World Checklist of Monocotyledons Database in ACCESS: 1-54382. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.

Literature

Kew Backbone Distributions

  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.

Flora of Tropical East Africa

  • F.T.A. 8: 410 (1902)
  • Fl. Eth. 6: 404, fig. 212.20 (1997).
  • Rhodora 41: 96 (1939)
  • Sedges & Rushes E. Afr.: 69, fig. 97, 98 (1983)
  • Syn. Pl. Glum. 2: 78 (1855)

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Plants and People Africa
Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
© Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/