Burnatia enneandra Micheli
  • A.L.P.P.de Candolle & A.C.P.de Candolle, Monogr. Phan. 3: 81 (1881) 


Notes: Distribution: Trop. & S. Africa

General Description

An aquatic with tufted leaves about 1 ft. high and slender branched inflorescences (at least the male) about 2 ft. high; flowers small, white or pink; at margins of muddy pools.

Leaves lanceolate, rarely oblong, acute at both ends, 5–8 in. long, 7–18 lin. broad, membranous, with 7–9 weak nerves; petiole 5–16 in. long, complanate. Scape erect, longer than the leaves; male panicle 12–16 in. long, female 8–10 in. long; bracts membranous, lanceolate, up to 1 in. long; bracteoles small; pedicels up to 5 lin. long. Sepals 3, broadly ovate, obtuse, of the male erect, of the female patent but erect after flowering, 1 1/2–2 lin. long. Petals small, present in the male flowers only. Achenes discoid, dorsally 3-ribbed. Seed slightly rugose.

Petioles up to 40 cm. long, usually about 30 cm. Leaf-blade acute, very variable in shape, from ovate with rounded base, to linear-lanceolate with decurrent base, e.g. from 13 × 7 cm. to 16 × 4 cm. and 14 × 1 cm.; nerves 5 or 7, the median up to 1.5 mm. wide on the lower surface. Male inflorescence (15–)20(–30) cm., of 1–5 whorls of branches; female inflorescence shorter; lowest bracts 1–5 cm. long; bracts and sepals whitish, sometimes tinged violet. Male flowers: bracts 1.5–2.5 mm. long; pedicels 3–10 mm. long; sepals erect, ovate, 2–3 mm. long; petals smaller, delicate, persistent, about 1 mm. long; stamens with filaments 1.5 mm. long; anthers 1 mm. long; abortive carpels oblong, compressed, 1–1.5 mm. long. Female flowers: bracts 1 mm. long; sepals ovate, spreading, 1.5 mm. long; petals, if present, 3, minute and scale-like, found only on very robust specimens; carpels obovoid, compressed; achenes 8–20, usually about 12, 1.5(–2.5) mm. long, flanges almost circular. Fig. 7, p. 14.

Habitat

at margins of muddy pools.

HAB. Swamps, shallow lakes, and the edges of rivers and slow-flowing streams; 50–1410 m.

Distribution

British East Africa Jur; near Jur Ghattas, Schweinfurth, 2128! 2287!

Sen.: Trochain 1556!

Uganda Ruizi River, 18 Dec. 1950, Jarrett 255!;

Iv. C.: Sémien Lake, Man road Aké Assi IA 5770.

Uganda Oruma, Moroto, Sept. 1935, Eggeling 2218!;

Ghana: Folifoli, Afram Plains (Aug.) Hall CC 190! Mirigu (Oct.) Vigne FH 4617! Navrongo (June) Vigne FH 4712! W. of Bawku (Aug.) Hall CC 544! Yendi (July) Akpabla GC 1912!

Uganda Amuria, 14 Sept. 1946, A. S. Thomas 4541!

U. Volta: Fada-N'Gourma Chev. 24487! Banfora (Sept.) Adam 15383!

Zanzibar Vitongoge, 22 Sept. 1929, Vaughan 675! & Mrs. Taylor 84/2!

N. Nig.: Zungeru (July) Dalz. 260! Bida to Badeggi (Aug.) Onochie FHl 35418!

Kenya Nairobi Game Park, 19 Aug. 1947, Bally 5237! & 8 km. N. of Nairobi, 8 June 1948, Bogdan 1637!

Kenya Sololo, 3 Aug. 1952, Gillett 13685!;

Tanzania Magunga, 28 Dec. 1953, Faulkner 1316!;

Tanzania flats by Lwengera River 5 km. E. of Korogwe, 16 July 1953, Drummond & Hemsley 3332!

British Central Africa Matabeleland; Libanani Forests and Flats, Holub!

Tanzania Mpololo, July 1928, Haarer 1498!

Kordofan at the edges of the stagnant pools near Arashkol Mountain, Kotschy, 192!

S. Nig.: Awi to Akamkpon, Calabar Prov. (fr. Feb.) Daramola FHI 55532!

Literature

in DC., Monogr. Phan. 3: 81 (1881); F.T.A. 8: 213; Chev. Bot. 686; Aké Assi, Contrib. 2: 9; Obermeyer in Fl. S. Afr. 1: 99, fig. 29, 3 (1966).

in DC., Mon. Phan. 3: 81 (1881); F.T.A. 8: 213 (1902); E.P. IV. 15: 60 (1903).

in DC. Monogr. Phan. iii. 81. —Engl. Pfl. Ost-Afr. C. 94; Durand & Schinz, Conspect. Fl. Afr. v. 488.

Distribution Map

 
  • Native distribution
Found in
  • Africa East Tropical Africa Kenya
  • Tanzania
  • Uganda
  • Northeast Tropical Africa Chad
  • Ethiopia
  • Somalia
  • Sudan
  • South Tropical Africa Malawi
  • Mozambique
  • Zambia
  • Zimbabwe
  • Southern Africa Botswana
  • Caprivi Strip
  • KwaZulu-Natal
  • Namibia
  • Northern Provinces
  • West Tropical Africa Benin
  • Burkina
  • Ghana
  • Ivory Coast
  • Mali
  • Nigeria
  • Senegal
  • Togo
  • West-Central Tropical Africa Burundi
  • Cameroon
  • Central African Republic
  • Rwanda
  • Zaire

  Bibliography

  • 1 Thiombiano, A., Schmidt, M., Dressler, S., Ouédraogo, A., Hahn, K. & Zizka, G. (2012). Catalogue des plantes vasculaires du Burkina Faso. Boissiera 65: 1-391.
  • 2 Timberlake, J.R. & Martins, E.S. (eds.) (2009). Flora Zambesiaca 12(2): 1-208. Royal Botanic Gardens, Kew.
  • 3 Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • 4 Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
  • 5 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.
  • 6 Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. Continental Publishing, Deurne.
  • 7 Thulin, M. (ed.) (1995). Flora of Somalia 4: 1-298. The Royal Botanic Gardens, Kew.
  • 8 Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
  • 9 Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
  • 10 Symoens, J.J. & Villiers, J.-F. (1984). Alismatidées, Flagellariacées. Flore du Cameroun 26: 1-84. Ministère de l'enseignement supérieur et de la recherche scientifique (Mesres), Yaoundé.
  • 11 Symoens, J.J. & Billet, F. (1975). Flore d'Afrique Centrale (Zaïre - Rwanda - Burundi) Alismataceae: 1-21. Jardin Botanique National de Belgique, Meise.
  • 12 Lebrun, J.-P., Audru, J., Gaston, A. & Mosnier, M. (1972). Catalogue des Plantes Vasculaires du Tchad Méridional: 1-289. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
  • 13 F.n. Hepper (1968) Alismataceae. Flora of West Tropical Africa 3 (1)
  • 14 Hepper, F.N. (ed.) (1968). Flora of West Tropical Africa , ed. 2, 3(1): 1-276.
  • 15 Carter, S. (1960). Alismataceae. Flora of Tropical East Africa: 1-16.
  • 16 Susan Carter (1960) Alismataceae. Flora of Tropical East Africa 0 (0)
  • 17 Andrews, F.W. (1956). The Flowering Plants of the Sudan 3: 1-579. T.Buncle & co., LTD., Arbroath, Scotland.
  • 18 (By C. H. Wright.) (1902) Alismaceæ. Flora of Tropical Africa 8 (0)

 Information From

Flora of Tropical Africa
http://apps.kew.org/efloras/
Flora of Tropical Africa. Published on the Internet; http://apps.kew.org/efloras/
Flora of West Tropical Africa
http://apps.kew.org/efloras/
Flora of West Tropical Africa. Published on the Internet; http://apps.kew.org/efloras/
Flora of Tropical East Africa
http://apps.kew.org/efloras/
Flora of Tropical East Africa. Published on the Internet; http://apps.kew.org/efloras/
WCS higher taxonomy
  • D All Rights Reserved
World Checklist of Selected Plant Families
http://apps.kew.org/wcsp/
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
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