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This species is accepted, and its native range is W. Tropical Africa to Uganda.
A specimen from Kew's Herbarium

[FWTA]

Aponogetonaceae, F. N. Hepper. Flora of West Tropical Africa 3:1. 1968

Morphology General Habit
An aquatic with floating leaves in pools
Morphology Reproductive morphology Flowers
Flowers yellowish.

[FTEA]

Aponogetonaceae, K.A. Lye (Agricultural University of Norway). Flora of Tropical East Africa. 1989

Morphology General Habit
Plants monoecious.
Vegetative Multiplication Tubers
Tuber oval or irregularly shaped, 10–40 mm. long and 10–30 mm. thick, densely set with brown and whitish roots above.
Morphology Leaves
Leaves few–many; petiole 5–60 cm. long and 1–6 mm. thick, but often wider at the sheathing base; blade oblong to oblong-lanceolate, 5–23 cm. long and 1.5–6 cm. wide, base prominently cordate, apex obtuse or rounded; main parallel lateral nerves 3–5 on each side of the midrib; cross-nerves prominent on lower surface.
Morphology Reproductive morphology Flowers
Flowers cream to yellow, densely set in bifid spikes with the flowers facing in all directions; peduncles 10–70 cm. long and 2–7 mm. thick, often slightly thicker below the inflorescence; spathes 20–50 mm. long, including an up to 20 mm. long acumen, green, early caducous.
Morphology Reproductive morphology Inflorescences
Spikes bisexual, dense-flowered, 15–50 mm. long and 4–8 mm. wide when flowering, elongating to 130 mm. long and 13 mm. wide when fruiting.
Morphology Reproductive morphology Flowers Tepal
Tepals usually 2, cream to yellow with a slightly darker midrib and brownish gland-dots, ovate to ligulate, 1.5–3 mm. long, often persistent.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens usually 6; filaments 2–3 mm. long, yellow, slightly widened towards the base; anthers 0.3–0.5 mm. long and 0.3–0.4 mm. wide, yellow, not turning black with age.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovaries 4–6, green; ovules 10–12.
Morphology Reproductive morphology Fruits
Follicles green, 4–6 mm. long and 2–3 mm. wide including a 1–2 mm. long beak.
Morphology Reproductive morphology Seeds
Seeds 1.4–2 mm. long and 0.5–0.9 mm. wide, cylindric, greyish brown with longitudinal pale wings; testa double.
Habitat
In temporary or possibly permanent pools and swamps; 1200 m.
Distribution
U1 only known from one collection from East Africa, more widespread in West Africa from Senegal, Mali, Ghana, Nigeria and Cameroon to Chad, possibly even in the Sudan

Native to:

Burkina, Cameroon, Chad, Congo, Ghana, Mali, Mauritania, Niger, Nigeria, Senegal, Sudan, Uganda

Aponogeton subconjugatus Schumach. & Thonn. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Apr 8, 1972 Hall, J.B. [3247], Ghana K000452147
Apr 8, 1972 Davey, J.T. [1], Mali K000452142
Apr 8, 1972 Hepper, F.N. [4037], Cameroon K000452149
Apr 8, 1972 Irvine, F.R. [4917], Ghana K000452143
Apr 8, 1972 Irvine, F.R. [1468], Ghana K000452146
Aug 10, 1971 Heudelot [433] K000346035 Unknown type material
Aug 9, 1971 Davey, J.T. [41], Mali K000452140
Aug 9, 1971 Dalziel, J.M. [226], Nigeria K000452148
Apr 9, 1971 Morton, J.K. [8245], Ghana K000452145
Apr 9, 1971 Morton, J.K. [992], Ghana K000452144
Hepper, F.N. [4037], Cameroon 32744.000
Wailly, M. de [4731], Mali K000452141

First published in C.F.Schumacher, Beskr. Guin. Pl.: 183 (1827)

Accepted by

  • Andrews, F.W. (1956). The Flowering Plants of the Sudan 3: 1-579. T.Buncle & co., LTD., Arbroath, Scotland.
  • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 2: 360-550. Centre Regional de Documentation Pedagogique, Nice.
  • 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.
  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.
  • Lye, K.A. (1989). Aponogetonaceae Flora of Tropical East Africa: 1-10.
  • Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • 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.
  • Thiombiano, A., Schmidt, M., Dressler, S., Ouédraogo, A., Hahn, K. & Zizka, G. (2012). Catalogue des plantes vasculaires du Burkina Faso Boissiera 65: 1-391.

Literature

Flora of West Tropical Africa

  • A. heudelotii Engl. (1887).
  • Berhaut, Fl. Sén. 179, 185
  • F.T.A. 8: 217
  • in Beskr. Guin. Pl. 183 (1827)

Kew Backbone Distributions

  • Lebrun, J.P., Toutain, B., Gaston, A. & Boudet, G. (1991). Catalogue des Plantes Vasculaires du Burkina Faso: 1-341. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
  • Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.

Flora of Tropical East Africa

  • A. Bennett in Flora of Tropical Africa 8: 217 (1901).
  • Berhaut in Fl. Sénégal, ed. 2: 304, 315, fig. p. 317 (1967).
  • F. W. Andr., The Flowering Plants of the Sudan 3: 233, fig. 63 (1956).
  • H. Bruggen in Bibl. Bot. 33, 137: 58 (1985).
  • H. Bruggen in Bulletin du Jardin Botanique National de Belgique 43: 211, fig. 4/8 (1973).
  • Hepper in Flora of West Tropical Africa, ed. 2, 3: 15, fig. 321 (1968).
  • Lye in A.D.Q. Agnew, Upland Kenya Wild Flowers p. 650 (1974).
  • Schumach. & Thonn., Beskr. Guin. Pl.: 183 (1827).
  • Symoens in Fl. Cameroun 26: 51, t. 13 (1984).

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

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