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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

Morphology General 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
Morphology Leaves
Leaves alternate, (sub–)sessile, confined to apices of branchlets, with colleters in the axils; stipules minute or absent; blade entire
Morphology Reproductive morphology Inflorescences
Inflorescence thyrsoid, lax; peduncle very short or absent
Morphology Reproductive morphology Flowers
Flowers slightly zygomorphic
Morphology Reproductive morphology Flowers 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
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens included to exserted; anthers with long, filiform, usually coherent and twisted appendages at the apex
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary of two globose carpels, coherent at the base; style cylindrical, split at the base; pistil head subcylindrical; stigmoid apex short, bifid
Morphology Reproductive morphology Fruits
Fruit of two oblong woody pubescent follicles, coherent at the base, tapering at both ends
Morphology Reproductive morphology Seeds
Seeds many, with tufts of dirty white to light brown hairs at both ends.

[FSOM]

M. Thulin et al. Flora of Somalia Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Succulent shrubs or trees; latex clear or cloudy
Morphology Leaves
Leaves alternate, at tips of branchlets
Morphology Reproductive morphology Flowers
Flowers slightly zygomorphic, on pubescent pedicels
Morphology Reproductive morphology Flowers Corolla
Corolla-tube much widened and with corona appendages at the throat; lobes overlapping to the right in bud
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens included to exserted; anthers with long thread-like appendage at the apex
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary of 2 carpels united at the base; stigmatic head subcylindrical
Morphology Reproductive morphology Fruits
Fruit of 2 spreading or reflexed follicles united at the very base, pubescent, many-seeded
Morphology Reproductive morphology Seeds
Seeds oblong, with tufts of hairs at both ends.
Distribution
Genus of about six species in Africa and southern Arabia.

[FZ]

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

Morphology General Habit
Succulent shrubs or trees with rhizomatous or carrot-like tubers; with clear or white latex.
Morphology Leaves
Leaves alternate, confined to the apices of the branchlets, with colleters in the axils; stipules minute or absent.
Morphology Reproductive morphology Inflorescences
Inflorescence thyrsoid, lax; bracts narrowly obovate to linear, acuminate, entire, pubescent; peduncle very short or absent; pedicels pubescent.
Morphology Reproductive morphology Flowers
Flowers slightly zygomorphic.
Morphology Reproductive morphology Flowers Calyx
Sepals connate at the base, subequal, narrowly oblong to narrowly obovate, entire, acuminate.
Morphology Reproductive morphology Flowers 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.
Morphology Reproductive morphology Flowers Androecium 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.
Morphology Reproductive morphology Flowers Gynoecium 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.
Morphology Reproductive morphology 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.
Morphology Reproductive morphology Seeds
Seeds oblong, truncate, with tufts of dirty white to light brown hairs at both ends.

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 Somalia

  • Flora Somalia, Vol 3, (2006) Author: by M. Thulin [updated by M. Thulin 2008]
  • Plaizier in Meded. Landbouwhogeschool Wageningen 80-12: 2–26 (1980).

Flora of Tropical East Africa

  • Plaizier in Meded. Landbouwhogeschool 80 (12): 2–26 (1980)
  • in Syst. Veg. 4: 35 (1819), as Adenum

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

Flora of Somalia
Flora of Somalia
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 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