Najas horrida A.Braun ex Magnus

First published in Beitr. Kenntn. Najas: 46 (1870)
This species is accepted
The native range of this species is Africa to Sinai. It is a hydroannual and grows primarily in the seasonally dry tropical biome.

Distribution

Native to:

Algeria, Botswana, Burundi, Cameroon, Cape Provinces, Caprivi Strip, Central African Republic, Chad, Egypt, Equatorial Guinea, Eritrea, Ethiopia, Ghana, Kenya, KwaZulu-Natal, Madagascar, Malawi, Mali, Mozambique, Namibia, Niger, Nigeria, Northern Provinces, Senegal, Sierra Leone, Sinai, Sudan, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

Synonyms

Heterotypic Synonyms

Classification

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PAFTOL

POWO follows these authorities in accepting this name:

  • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
  • 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.
  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  • Edwards, S., Demissew, S. & Hedberg, I. (eds.) (1997). Flora of Ethiopia and Eritrea 6: 1-586. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
  • Timberlake, J.R. & Martins, E.S. (eds.) (2009). Flora Zambesiaca 12(2): 1-208. Royal Botanic Gardens, Kew.
  • Triest, L. (1989). Najadaceae. Flora of Tropical East Africa: 1-9.

An alternative taxonomy had been proposed by the following authorities:

  • Maire, R. (1952). Flore de l'Afrique du Nord 1: 1-366. Paul Lechevalier, Paris. [Cited as Najas pectinata.]
  • Triest, L. & Symoens, J.J. (1983). Flore d'Afrique Centrale (Zaïre - Rwanda - Burundi) Najadaceae: 1-9. Jardin Botanique National de Belgique, Meise. [Cited as Najas pectinata.]

Flora Zambesiaca

  • Bennett in F.T.A. 8 228 (1901) for most part.
  • Clarke & Klaassen, Water Pl. Namibia: 19, 66 (2001).
  • Cook, Aq. Wetl. Pl. Sthn. Africa: 186, 192 (2004).
  • Magnus, Beitr. Kenntn. Najas 7: 46 (1870).
  • Rendle in Trans. Linn. Soc., Bot. 5: 422, t.42 figs.183–191 (1899) in part.
  • Süssenguth in Mitt. Bot. Staatssamml. München 8 339 (1953).
  • Triest 22(1): 91 (1988) Acad. Roy. Sci. Outre-Mer, Cl. Sci. Nat. Méd;
  • Triest in F.T.E.A., Najadaceae: 5, fig.2 (1989).
  • Triest in Mém. Acad. Roy. Sci. Outre-Mer, Cl. Sci. Nat. Méd. 21 4): 44–52, t.8–10, fig.5 (1987);

Kew Backbone Distributions

  • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
  • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
  • Edwards, S., Demissew, S. & Hedberg, I. (eds.) (1997). Flora of Ethiopia and Eritrea 6: 1-586. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
  • Hepper, F.N. (ed.) (1968). Flora of West Tropical Africa, ed. 2, 3(1): 1-276.
  • Timberlake, J.R. & Martins, E.S. (eds.) (2009). Flora Zambesiaca 12(2): 1-208. Royal Botanic Gardens, Kew.
  • Triest, L. & Symoens, J.J. (1983). Flore d'Afrique Centrale (Zaïre - Rwanda - Burundi) Najadaceae: 1-9. Jardin Botanique National de Belgique, Meise.

Flora of Tropical East Africa

  • A. Bennett in Flora of Tropical Africa 8: 228 (1901).
  • A. Engler & O. Drude, Die Vegetation Der Erde, IX, Pflanzenwelt Afrikas 2: 98 (1908).
  • Magn., Beitr.: vii, 46, 47 (1870).
  • Peter, Wasserpfl. & Sumpfgew. Deutsch-Ostafr.: 108 (1928).
  • Rendle in A. Engler, Das Pflanzenreich IV. 12: 17, figs. 2, 5N-P (1901).
  • Rendle in Trans. Linn. Soc., Bot., ser. 2, 5: 42, t. 42/183-191 (1899), pro majore parte,
  • Triest in Mém. Acad. Roy. Sci. Outre-Mer, Cl. Sci. Nat Méd., nouv. sér. in -8° (et Et. Cont. Afr., 6) 21: 44, fig. 5, t. VIII, IX & X (1987).
  • Van Meel, Explor. Hydrobiol. Lac Tanganika (1946-1947) 4, 1 A: 90, 108, 114 (table 4) (1954).
  • Van Meel, Explor. Hydrobiol. Lac Tanganika (1946-1947) I: 52, 67 (1952)

Other Data

Other Kew resources that provide information on this taxon:

Date Reference Identified As Barcode Type Status Has image?
Lind, E. (Dr.) [331] Uganda K002907713 Yes
Wickens, G.E. [s.n.] Sudan K002907696 Yes
s.coll. [4485] Chad K002907676 Yes
Chandler, P. [2272] Kenya K002907719 Yes
Lock, J.M. [83/15] Sudan K002907692 Yes
Lock, J.M. [80/22] Sudan K002907691 Yes
Malaisse, F.; Joseph, M. [308] Senegal K002907646 Yes
de Wilde, W.J.J.O.; de Wilde, J.J.F.E.; de Wilde-Duyfjes, B.E.E. [5710] Sudan K002907694 Yes
Wood, G.H.S. [474] Uganda K002907711 Yes
McCallum-Webster, M. [T518] Tanzania K002907735 Yes
Ash, J. [1148] Ethiopia K002907689 Yes
Richards, M. [24587A] Tanzania K002907731 Yes
Milne-Redhead, E.; Taylor, P.G. [10910] Tanzania K002907732 Yes
Chandler, P. [2272] Kenya K002907718 Yes
Verdcourt [3395] Tanzania K002907734 Yes
van Zinderen Bakker, E.M. [925] Kenya K002907726 Yes
Smith, D.F. [EAH11059] Kenya K002907724 Yes
Festo, L.; Luke, Q.; Luke, P. [2748] Kenya K002907728 Yes
Napier, E.R. [1845] Kenya K002907720 Yes
Broun, A.F. [665] Sudan K002907695 Yes
Lye, K.A.; Namaganda, M. [25204] Uganda K002907716 Yes
Bullock, A.A. [2653] Tanzania K002907738 Yes
Polhill, E. [293] Kenya K002907722 Yes
Lye, K.A.; Katende, A.B.; Mnason, T. [Lye 23507] Uganda K002907717 Yes
Vollesen, K.B. [MRC2862] Tanzania K002907742 Yes
Simpson, N.D. [7631] Sudan K002907700 Yes
Ash, J. [1148] Ethiopia K002907690 Yes
Lowe, R.H. [s.n.] Tanzania K002907741 Yes
Simpson, N.D. [7212] Sudan K002907698 Yes
Tanner, R. [1652] Tanzania K002907740 Yes
s.coll. [4295] Chad K002907677 Yes
Mhoro, B.; Backeus, I. [2278] Tanzania K002907743 Yes
Burger, W. [3606] Ethiopia K002907688 Yes
Snowden, J.D. [1835] Uganda K002907709 Yes
Richardson, J.L. [6] Kenya K002907727 Yes
Greenway, P.J. [4056] Tanzania K002907739 Yes
Denny; Welsh [[135(a)]] Tanzania K002907730 Yes
McCallum-Webster, M. [s.n.] Tanzania K002907737 Yes
Bidgood, G.S.; Leliyo, G.; Vollesen, K.B. [6906] Tanzania K002907729 Yes
Muschler, R. [s.n.] Egypt K002907373 Yes
Mathew, B.F.; Gwynne, M.D. [6789] Kenya K002907723 Yes
Arnstein Lye, K.; Lester, R.N. [Ly-2017] Uganda K002907714 Yes
Chandler, P. [2071 B] Uganda K002907708 Yes
Chandler, P. [2071A] Uganda K002907712 Yes
Simpson, N.D. [7212] Sudan K002907699 Yes
de Wilde, W.J.J.O.; de Wilde, J.J.F.E.; de Wilde-Duyfjes, B.E.E. [5723] Sudan K002907693 Yes
Bally, P.R.O. [7892] Kenya K002907721 Yes
Arnstein Lye, K.; Lester, R.N. [Ly-2131] Uganda K002907715 Yes
Greenway, P.J. [s.n.] Uganda K002907710 Yes
Greenway, P.J.; Rawlins, S.P. [9468] Kenya K002907725 Yes
Richards, H.M. (Mrs) [11142] Tanzania K002907736 Yes
s.coll. [B4636] Tanzania K002907733 Yes
Simpson, N.D. [7631] Sudan K002907697 Yes

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0
  • Flora Zambesiaca

    • Flora Zambesiaca
    • 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
  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. 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/