- Family: Apocynaceae Juss.
Adenium Roem. & Schult.
[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:
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