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This species is accepted, and its native range is Tropical & Subtropical to N. America.
Eleocharis atropurpurea (Retz.) J.Presl. & C.Presl.

[FTEA]

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

Type
Type: India, König s.n. (LD, holo.)
Morphology General Habit
Dwarf annual.
Morphology Culms
Culms often curved, dark vivid green, 1–12(–30) cm tall, filiformrounded, 0.2–0.3 mm thick.
Morphology Leaves Leaf sheaths
Sheaths 2 above the prophyll, the lower usually dark red or purple and truncate, the upper paler and with attenuate apex.
Morphology Roots
Root system slender
Morphology Reproductive morphology Inflorescences Spikelets
Spikelet ovoid, 2–8 × 1–2 mm, the lower glumes often deciduous.
Morphology Reproductive morphology Inflorescences
Inflorescence bract lacking.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes all fertile, spreading at maturity, dark reddish brown or purple with green midrib, ± 1 mm long, obtuse, sometimes with paler margin.
Morphology Reproductive morphology Flowers Perianth
Perianth bristles 4–5, shorter than the nutlet and barbellate, or quite often absent
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 1–3.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther 0.4–0.5 mm long
Morphology Reproductive morphology Flowers Gynoecium Style
Style branches 2
Morphology Reproductive morphology Fruits
Nutlets shiny black or blackish brown when mature, broadly ovoid, flattened, ± 0.5 × 0.4 mm, smooth and shiny; appendage minute, greyish
Figures
Fig. 8, p45
Ecology
Seasonal pools and seepage areas, rice paddies, shallow pools over rock, seasonally flooded grassland, pond and lake edges; may be locally common and sometimes even matforming; 0–1600 m
Note
Svenson has as combining author Kunth, Enum. 2: 151 (1837), but Presl made a proper combination, mentioning both basionym and protologue.
Distribution
Flora districts: U2 U3 K4 K7 T2 T4 T5 T6 T7 T8 Range: Nigeria to Sudan and Ethiopia, and south to Congo-Kinshasa, Zambia, Zimbabwe and Botswana; widespread in the tropics and subtropics of the Old and New World

[CPLC]

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Colombia

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Dwarf tufted annual; stems 1–12 cm long and 0.2–0.3 mm thick, angular
Morphology Leaves Leaf sheaths
Sheaths usually 2, at least the basal purplish, the upper ending in a short triangular lobe
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 2–4 x 1–2 mm, ovate, usually 10–20-flowered
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes c. 1 mm long, pale to dark reddish brown with a green midrib ending in or near the obtuse tip, with or without a narrow pale margin
Morphology Reproductive morphology Flowers Perianth
Perianth-bristles usually present, shorter than the nutlet, 4–5, with recurved spine-like teeth
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 2
Morphology Reproductive morphology Flowers Gynoecium Style
Style with 2 stigmas
Morphology Reproductive morphology Fruits
Nutlet c. 0.5 x 0.4 mm, broadly obovate, biconvex, smooth and glossy, as mature almost black; appendage greyish, minute, flattened.
Distribution
S3 pantropical.
Ecology
Altitude below 100 m.

[FWTA]

Cyperaceae, Miss S. S. Hooper. Flora of West Tropical Africa 3:2. 1972

Morphology General Habit
Slender tufted annual with clusters of capillary stems up to 15 cm. high
Morphology Reproductive morphology Inflorescences
Spikelets ovate, obtuse; with green-keeled glumes and
Morphology Reproductive morphology Fruits
Black or red achenes
Ecology
Damp grassy places.

Native to:

Afghanistan, Alabama, Argentina Northeast, Argentina Northwest, Aruba, Bahamas, Bangladesh, Benin, Bolivia, Botswana, Brazil North, British Columbia, Burkina, California, Cayman Is., Central African Repu, Chad, China North-Central, China South-Central, China Southeast, Colombia, Colorado, Congo, Costa Rica, Cuba, East Himalaya, Ecuador, Ethiopia, Florida, Gabon, Galápagos, Georgia, Ghana, Guinea, Hainan, India, Iowa, Iran, Jamaica, Japan, Jawa, Kansas, Kazakhstan, Kenya, KwaZulu-Natal, Louisiana, Madagascar, Malawi, Mali, Mauritania, Mauritius, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Missouri, Montana, Namibia, Nebraska, Nepal, Netherlands Antilles, Nevada, New Guinea, New Mexico, Nicaragua, Niger, Nigeria, North Carolina, Northern Provinces, Northern Territory, Oklahoma, Pakistan, Peru, Philippines, Queensland, Rwanda, Senegal, Somalia, South Carolina, Sudan, Sumatera, Swaziland, Tadzhikistan, Taiwan, Tanzania, Texas, Togo, Turkey, Uganda, Uzbekistan, Venezuela, Vietnam, Virginia, Washington, West Himalaya, Western Australia, Zambia, Zaïre, Zimbabwe

Introduced into:

Italy, Switzerland

Eleocharis atropurpurea (Retz.) J.Presl & C.Presl appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Sep 1, 1986 Harley, R.M. [19126], Bahia K000189235
Mar 1, 1986 Harley, R.M. [21434], Bahia K000189234
Mar 1, 1986 Harley, R.M. [21434], Bahia K000189233
Feb 15, 1898 Heller, A.A,. [1851], Texas K000881817
Apr 1, 1887 Kotschy [129], Sudan K000416632 isolectotype
Apr 1, 1887 O'Shanesy [s.n.], Queensland K000881841
Bidgood, S. [6110], Tanzania K000468315
Reverchon, J. [1672], Texas K000881815
Chapman, A.W. [s.n.], Florida K000881816
Rota, L. [s.n.], Italy Eleocharis lereschii K000974004
Muret, J. [s.n.], Switzerland Eleocharis lereschii K000974007
Leresche, L.F.J.R. [s.n.], Switzerland Eleocharis lereschii K000974005
Muret, J. [13], Switzerland Eleocharis lereschii K000974006
Thomas, E. [1611], Switzerland Eleocharis lereschii K000974003

First published in Reliq. Haenk. 1: 196 (1828)

Accepted by

  • Acevedo-Rodríguez, P. & Strong, M.T. (2005). Monocotyledons and Gymnosperms of Puerto Rico and the Virgin Islands Contributions from the United States National Herbarium 52: 1-415.
  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Balkrishna, A. (2018). Flora of Morni Hills (Research & Possibilities): 1-581. Divya Yoga Mandir Trust.
  • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 2: 360-550. Centre Regional de Documentation Pedagogique, Nice.
  • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(2): 1-94. ORSTOM, Bangui.
  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • Douglas, G.W., Meidinger, D. & Penny, J.L. (2002). Rare Native Vascular Plants of British Columbia, ed. 2: 1-358. Province of British Columbia.
  • Espejo Serna, A. & López-Ferrari, A.R. (1997). Las Monocotiledóneas Mexicanas una Sinopsis Florística 5: 1-98. Consejo Nacional de la Flora de México, México D.F.
  • 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.
  • Hammel, B.E. & al. (2003). Manual de Plantas de Costa Rica 2: 1-694. Missouri Botanical Garden Press, St. Louis.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
  • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
  • Lye, K.A. & Thery, P. (2012). Flore du Gabon 44: 1-230. Muséum National D'Histoire Naturelle, Paris.
  • Mostaph, M.K. & Uddin, S.B. (2013). Dictionary of plant names of Bangladesh, Vasc. Pl.: 1-434. Janokalyan Prokashani, Chittagong, Bangladesh.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.

Literature

Catálogo de Plantas y Líquenes de Colombia

  • ColPlantA (2021). "ColPlantA. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://www.colplanta.org/"

Flora of West Tropical Africa

  • Berhaut, Fl. Sén. ed. 2, 364 (1967).
  • F.T.A. 8: 407
  • Rel. Haenk. 1: 196 (1828)
  • Svenson in Rhodora 31: 227, t. 49 (1929)

Kew Backbone Distributions

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 2: 360-550. Centre Regional de Documentation Pedagogique, Nice.
  • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(2): 1-94. ORSTOM, Bangui.
  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
  • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
  • Kumar, S. (2012). Herbaceous flora of Jaunsar-Bawar (Uttarkhand), India: enumerations Phytotaxonomy 12: 33-56.
  • Mostaph, M.K. & Uddin, S.B. (2013). Dictionary of plant names of Bangladesh, Vasc. Pl.: 1-434. Janokalyan Prokashani, Chittagong, Bangladesh.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.

Flora of Somalia

  • Flora Somalia, Vol 4, (1995) Author: by K. A. Lye [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • Durand & Schinz, Consp. Fl. Afr. 5: 627 (1895)
  • F.T.A. 8: 407 (1902)
  • Fl. Eth. 6: 405, fig. 212.24 (1997).
  • Fl. Somalia 4: 106, fig. 62/d-f (1995)
  • Reliq. Haenk. 1: 196 (1828)
  • Rhodora 31: 227 (1929)
  • Sedges & Rushes E. Afr.: 72, fig. 104, 105 (1983)

Catálogo de Plantas y Líquenes de Colombia
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

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

Flora of West Tropical Africa
Flora of West Tropical Africa
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Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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/