1. Family: Apocynaceae Juss.
    1. Genus: Adenium Roem. & Schult.
      1. Adenium obesum (Forssk.) Roem. & Schult.

        This species is accepted, and its native range is W. Tropical Africa to Arabian Peninsula and Tanzania.

    [FTEA]

    Apocynaceae, E.A. Omino. Flora of Tropical East Africa. 2002

    Habit
    Shrub or small tree, 2–many-branched, 0.4–6 m high; trunk sometimes bulbous at the extreme base, up to 1 m in diameter (to 2 m elsewhere), bark grey, smooth.
    Leaves
    Leaves sessile to sub-petiolate; blade obovate to linear, 3–12(–17) cm long, 0.2–6 cm wide, rounded and mucronate or emarginate at the apex, cuneate at the base, pubescent to glabrous; petiole 0–4 mm long.
    Inflorescences
    Inflorescence 1–2.5 cm long, in dense terminal cymes; bracts linear to narrowly oblong, 3–8 mm long; pedicels 5–9 mm long.
    Flowers
    Flowers with sepals 0.5–1.1 mm long, pubescent; corolla pink to red; tube reddish pink to white suffused with pink, sometimes with red stripes within the throat, 20–50 mm long, 9–17 mm wide, inside with velutinous glandular hairs on the main veins; lobes 9–30 mm long, 5–25 mm wide, apiculate to mucronate; corona 3–5 mm long; stamens barely included or exserted; pistil 11–20 mm long; pistil head 1–1.5 mm long.
    Fruits
    Fruit grey to pale grey-brown, sometimes fringed with pink, 11–22 cm long, 0.9–2 cm wide; seeds 10–14 mm long, 2–4 mm wide, with tuft of hairs 25–35 mm long.
    Figures
    Fig. 23 (p. 68).
    Habitat
    Dry bushland, semi-desert scrub, dry woodland and wooded grassland; 0–1200 m
    Distribution
    K1 K2 K3 K4 K6 K7 T2 T3 T4 T6 T7 T8 U1 Z Senegal and Mali to Chad and Sudan, Ethiopia and SomaliaSaudi Arabia, Yemen, Oman, Socotra
    [FWTA]

    Apocynaceae, H. Huber. Flora of West Tropical Africa 2. 1963

    Habit
    An erect shrub 4-6 ft, high, with a stout almost conical trunk and smooth, fleshy branches
    Flowers
    Flowers rather large, pink to purple, campanulate, 11/2-21/2 in.long in short, subsessile, terminal cymes, appearing before or with the leaves
    Ecology
    In drier parts of our area and often grown for ornament.

    Images

    Distribution

    Native to:

    Benin, Burundi, Cameroon, Chad, Ethiopia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, Mali, Mauritania, Niger, Nigeria, Oman, Saudi Arabia, Senegal, Socotra, Somalia, Sudan, Tanzania, Togo, Uganda, Yemen

    Introduced into:

    Society Is.

    Adenium obesum (Forssk.) Roem. & Schult. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1980 Latilo, M.G. [s.n.], Nigeria K000453019
    Jan 1, 1980 Dalziel, J.M. [97], Nigeria K000453012
    Jan 1, 1980 Dalziel, J.M. [430], Nigeria K000453015
    Jan 1, 1980 Hepper, F.N. [1609], Cameroon K000453018
    Jan 1, 1980 Lely, H.V. [188], Nigeria K000453010
    Jan 1, 1980 Lamb, P.H. [46], Nigeria K000453013
    Jan 1, 1980 Balfour, I.B. [139], Socotra K000234120
    Jan 1, 1980 Balfour, I.B. [695], Socotra K000234121
    Jan 1, 1980 Balfour, I.B. [174], Socotra K000234122
    Jan 1, 1980 Schweinfurth, G. [245], Socotra K000234123
    Jan 1, 1980 McClintock, A. [141], Nigeria K000453020
    Jan 1, 1980 Ejiofor, M.C. [s.n.], Nigeria K000453017
    Jan 1, 1980 Talbot, P.A. [s.n.], Nigeria K000453014
    Jan 1, 1980 Santo, E. [2364], Guinea-Bissau K000453006
    Jan 1, 1980 Hagerup, O. [669], Nigeria K000453011
    Jan 1, 1980 Barter, C. [711], Nigeria K000453016
    Jan 1, 1980 Edith Cole [s.n.], Somalia K000234124
    Jan 1, 1980 Speke [766], Uganda K000234119
    Jan 1, 1980 Heudelot [s.n.], Senegal K000453004
    Jan 1, 1980 Playfair [3], Somalia K000234125 holotype
    Jan 1, 1980 Chevalier, A.J.B. [26034], Senegal K000453001
    Jan 1, 1980 Chevalier, A.J.B. [530], Mali K000453008
    Jan 1, 1980 s.coll. [s.n.], Senegal K000453002
    Jan 1, 1980 s.coll. [133], Senegal K000453003
    Jan 1, 1980 Ekwuno, P.O. [347], Nigeria K000453009
    Jan 1, 1980 Orey, J. [310], Guinea-Bissau K000453007
    Nader, I.A. [308], Saudi Arabia 43834.000
    Kotschy [399], Ethiopia K000234127
    Speke [s.n.], Tanzania K000234118
    Yeates, M.N.D.B. [15], Mali K000453005
    Adenium coetaneum 15255.000
    Bally, P.R.O. Adenium somalense 5092.000
    McClintock [141], Cameroon Adenium honghel 6403.000
    Kotschy [399], Ethiopia Adenium honghel K000234126

    First published in Syst. Veg., ed. 15 bis 4: 411 (1819)

    Accepted by

    • 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.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Thulin, M. (ed.) (2006). Flora of Somalia 3: 1-626. The Royal Botanic Gardens, Kew.
    • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Lebrun, J.-P. (1998). Catalogue des plantes de la Mauritanie et du Sahara Occidental Boissiera 55: 1-322.
    • Welsh, S.L. (1998). Flora Societensis: 1-420. E.P.S. Inc. Utah.
    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.
    • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.

    Literature

    Flora of West Tropical Africa
    • Aubrév. Fl. For. Soud-Guin. 445, t. 97, 7-10
    • M. Pichon in Mém. Mus. Hist. Nat. Paris, n. sér. B, 1: 78 (1950).
    • Syst. 4: 411 (1819)
    Kew Backbone Distributions
    • Masharabu, T., Bigendako, M.J., Lejoly, J., Nkengurutse, J., Noret, N., Bizuru, E. & Bogaert, J. (2010). Etude analytique de la flore et de la végétation du Parc National de la Ruvubu, Burundi International Journal of Biological and Chemical Sciences 4: 834-856.
    • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
    • Lebrun, J.-P. (1998). Catalogue des plantes de la Mauritanie et du Sahara Occidental Boissiera 55: 1-322.
    • Welsh, S.L. (1998). Flora Societensis: 1-420. E.P.S. Inc. Utah.
    • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
    Flora of Tropical East Africa
    • Agnew, A.D.Q. & Agnew, S., Upland Kenya Wild Flowers, ed. 2: 172 (1994).
    • Beentje, Kenya Trees, Shrubs and Lianas p. 475, ill., map (1994).
    • Blundell, Wild Flow. E. Afr.: 142, t. 279 (1987).
    • Plaizier in Meded. Landbouwhogeschool 80 (12): 13 (1980).
    • Verdcourt & Trump, Comm. Poison. Pl. E. Afr.: 129 (1969).
    • Codd in Flora of Southern Africa 26: 279 (1963).
    • Huber in Flora of West Tropical Africa ed. 2, 2: 76, t. 217 (1963).
    • Dale & Greenway, Kenya Trees and Shrubs p. 44 (1961).
    • R. O. Williams, Useful and Ornamental Plants in Zanzibar and Pemba p. 106 (1949).
    • Roem. & Schult. in Syst. Veg. 4 (35): 411 (1819).

    Sources

    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
    '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/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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 2019. 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