1. Family: Apocynaceae Juss.
    1. Adenium Roem. & Schult.

      1. This genus is accepted, and its native range is Tropical & S. Africa, Arabian Peninsula.

    [FTEA]

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

    Habit
    Succulent shrubs or trees 0.2–6 m tall with clear or white latex; lower trunk sometimes up to 1 m in diameter; bark pale grey or brown, smooth; branchlets pubescent at the apex, glabrescent
    Leaves
    Leaves alternate, (sub–)sessile, confined to apices of branchlets, with colleters in the axils; stipules minute or absent; blade entire
    Inflorescences
    Inflorescence thyrsoid, lax; peduncle very short or absent
    Flowers
    Flowers slightly zygomorphic
    Corolla
    Corolla tube infundibuliform to salver-shaped, widened at the throat; lobes obovate, overlapping to the right in bud, with an obcordate corona at the base of and in between the lobes
    Stamens
    Stamens included to exserted; anthers with long, filiform, usually coherent and twisted appendages at the apex
    Pistil
    Ovary of two globose carpels, coherent at the base; style cylindrical, split at the base; pistil head subcylindrical; stigmoid apex short, bifid
    Fruits
    Fruit of two oblong woody pubescent follicles, coherent at the base, tapering at both ends
    Seeds
    Seeds many, with tufts of dirty white to light brown hairs at both ends.
    [FZ]

    Apocynaceae, A. J. M. Leeuwenberg & F. K. Kupicha et al. Flora Zambesiaca 7:2. 1985

    Habit
    Succulent shrubs or trees with rhizomatous or carrot-like tubers; with clear or white latex.
    Leaves
    Leaves alternate, confined to the apices of the branchlets, with colleters in the axils; stipules minute or absent.
    Inflorescences
    Inflorescence thyrsoid, lax; bracts narrowly obovate to linear, acuminate, entire, pubescent; peduncle very short or absent; pedicels pubescent.
    Flowers
    Flowers slightly zygomorphic.
    Calyx
    Sepals connate at the base, subequal, narrowly oblong to narrowly obovate, entire, acuminate.
    Corolla
    Corolla tube infundibuliform to hypocrateriform, much widened at the throat, more or less pubescent outside, glabrous or pubescent to strigose inside; lobes obovate or narrowly obovate, acuminate, entire, undulate or crispate, spreading, overlapping to the right in bud; between all the lobes an obcordate, glabrous or pubescent to velutinous scale at the base, which is united by its edges with the lobes.
    Stamens
    Stamens included to exserted, inserted at the apex of the narrow basal portion of the corolla-tube; anthers narrowly triangular, sagittate at the base, and with a long apical appendage, appendages filiform, usually coherent and twisted at the apex.
    Carpels
    Carpels two, globose, connate at the base; style split only at the base, cylindrical; clavuncula subcylindrical, more or less coherent with the apices of the filaments; stigma bifid, c. 0·5 mm. long.
    Fruits
    Fruit consisting of two spreading or recurved follicles; follicles connate at the very base, oblong and tapering towards each end, pubescent outside, glabrous inside, many-seeded.
    Seeds
    Seeds oblong, truncate, with tufts of dirty white to light brown hairs at both ends.

    Images

    Distribution

    Native to:

    Angola, Benin, Botswana, Burundi, Cameroon, Cape Provinces, Chad, Ethiopia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, KwaZulu-Natal, Malawi, Mali, Mauritania, Mozambique, Namibia, Niger, Nigeria, Northern Provinces, Oman, Saudi Arabia, Senegal, Socotra, Somalia, Sudan, Swaziland, Tanzania, Togo, Uganda, Yemen, Zambia, Zimbabwe

    Introduced into:

    Society Is.

    Adenium Roem. & Schult. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Bally, P.R.O. [7917], Tanzania 14764.000
    Bally, P.R.O. [5653], Kenya 7028.000

    First published in Syst. Veg., ed. 15 bis 4: 35, 411 (1819)

    Accepted by

    • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

    Literature

    Flora of West Tropical Africa
    • —F.T.A. 4, 1: 226.
    Flora Zambesiaca
    • Plaizier in Meded. Landb. Wag. 80–12: 3 (1980).
    • Syst. Veg. 4: 35 (1819).
    Flora of Tropical East Africa
    • Plaizier in Meded. Landbouwhogeschool 80 (12): 2–26 (1980)
    • in Syst. Veg. 4: 35 (1819), as Adenum

    Sources

    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.

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. 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 2018. 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