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This species is accepted, and its native range is Kenya to Namibia.
A specimen from Kew's Herbarium

[FTEA]

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

Morphology General Habit
Plants monoecious.
Vegetative Multiplication Tubers
Tuber globular to conical, 6–12 mm. long and 4–10 mm. in diameter, with very numerous whitish slender roots.
Morphology Leaves
Leaves usually 5–10 per tuber; petiole 5–20 cm. long and 0.2–0.6 mm. thick; blade narrowly oblong to lanceolate, 2–5 cm. long and 4–10 mm. wide, with 5–9 parallel lateral nerves, floating on the surface of the water; base cuneate to truncate, tip obtuse; primary leaves occasionally produced, 1–2 cm. long, linear, without blade.
Morphology Reproductive morphology Flowers
Flowers white, often drying a bluish white, rather laxly set on unbranched somewhat unilateral spikes on slender peduncles; peduncles 5–15 cm. long and 1–1.5 mm. thick above, green but inflorescence-axis and base white; spathe 6–10 mm. long, greenish, usually early caducous.
Morphology Reproductive morphology Inflorescences
Spike 1–2 cm. long and 5–10 mm. wide with tepals spreading, the flowers usually inserted on one side of the axis, but at maturity often more cylindrical, only 7–15-flowered.
Morphology Reproductive morphology Flowers Tepal
Tepals 2, white and shiny, but often with a lilac tinge, ligulate, 3.5–5.5 mm. long and 1–2 mm. wide, 1-nerved.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 6; filaments 2–2.5 mm. long, lilac but whitish near the thicker base; anthers 0.5–0.6 mm. long and 0.3–0.4 mm. wide, brownish yellow, but turning black when withering.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovaries 2–4, green with 2–10 ovules.
Morphology Reproductive morphology Fruits
Follicles green to somewhat bluish (but beak whitish at least near die tip), 2–3 mm. long, including a ± 1 mm. long curved beak, and 0.5–0.6 mm. wide.
Morphology Reproductive morphology Seeds
Seeds elliptic, 1.5–2.5 mm. long and ± 0.5 mm. wide, with a double testa, not longitudinally ridged.
Habitat
Temporary shallow rain-pools, often in rock-pavements; 550–1650 m.
Distribution
K1 K4 K7 T1 T2 T5

Native to:

Botswana, Kenya, Namibia, Northern Provinces, Rwanda, Tanzania, Zambia, Zimbabwe

Aponogeton stuhlmannii Engl. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Apr 9, 1972 Richards, H.M. [9178], Zambia K000346047
Greenway, P.J. [9987], Tanzania 1293.000
Rehmann, A. [5761], South Africa K000346056 Unknown type material
Rehmann, A. [5761], South Africa K000346057

First published in Notizbl. Königl. Bot. Gart. Berlin 1: 26 (1895)

Accepted by

  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
  • 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.
  • Mapaura, A. & Timberlake, J. (eds.) (2004). A Checklist of Zimbabwean Vascular Plants: 1-148. Southern African Botanical Diversity Network (SABONET), Pretoria.
  • Timberlake, J.R. & Martins, E.S. (eds.) (2009). Flora Zambesiaca 12(2): 1-208. Royal Botanic Gardens, Kew.
  • van Bruggen, H.W.E. (1974). Flore d'Afrique Centrale (Zaïre - Rwanda - Burundi) Aponogetonaceae: 1-11. Jardin Botanique National de Belgique, Meise.

Literature

Kew Backbone Distributions

  • van Bruggen, H.W.E. (1974). Flore d'Afrique Centrale (Zaïre - Rwanda - Burundi) Aponogetonaceae: 1-11. Jardin Botanique National de Belgique, Meise.

Flora of Tropical East Africa

  • A. Bennett in Flora of Tropical Africa 8: 218 (1901).
  • Engl. in Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete, Theile C: 94 (1895).
  • Engl. in Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahelm 1: 26 (1895)
  • H. Bruggen in Bibl. Bot. 33, 137: 40 (1985).
  • H. Bruggen in Bulletin du Jardin Botanique National de Belgique 43: 201, fig. 4/2 (1973)
  • H. Bruggen in Flore d'Afrique Centrale: 4 (1974).
  • K. Krause in A. Engler, Das Pflanzenreich IV. 13: 12, fig. 9 N–Q (1906).
  • Lye in A.D.Q. Agnew, Upland Kenya Wild Flowers p. 652 (1974).
  • Obermeyer in Flora of Southern Africa 1: 90, fig. 27/2 (1966).
  • Peter in Abh. K. Ges. Wiss. Göttingen 13(2): 40 (1928)
  • Peter in Flora von Deutsch-Ostafrika 1: 117 (1929).
  • Podlech in Prodr. Fl. SW.-Afr. 143: 3 (1966).

Flora of Tropical East Africa
Flora of Tropical East 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