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This genus is accepted, and its native range is Ethiopia to S. Africa, Arabian Peninsula.
Acokanthera oppositifolia

[FZ]

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

Morphology General Habit
Trees and shrubs with poisonous sap, without spines or tendrils.
Morphology Leaves Stipules
Stipules absent.
Morphology Reproductive morphology Flowers
Flowers in dense axillary cymose fascicles.
Morphology Reproductive morphology Flowers Calyx
Calyx lobes imbricate, free to base.
Morphology Reproductive morphology Flowers Corolla
Corolla hypocrateriform; tube cylindrical, ± straight-sided, the inner surface usually pilose in the upper half and wrinkled below; lobes contorted, ovate, elliptic or subcircular, much shorter than the tube, overlapping to the left.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens inserted in the top of the corolla tube; anthers subsessile, without carina, with a tuft of hairs at apex.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary glabrous, bicarpellate, with 1 ovule per loculus; style filiform, glabrous, reaching to level of anthers; stigma minutely bifid, hairy, with a ring of papillae below.
Morphology Reproductive morphology Fruits
Fruit a globose to ellipsoid berry containing 1 or 2 seeds.
Morphology Reproductive morphology Seeds
Seeds plano-convex, with glabrous testa.

[FTEA]

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

Morphology General Habit
Trees or shrubs, all parts (except the ripe fruit) containing toxic cardiac glycosides
Morphology Leaves
Leaves opposite and decussate, exstipulate
Morphology Reproductive morphology Flowers
Flowers white tinged with red, borne in dense axillary cymes, sweetly scented
Morphology Reproductive morphology Flowers Calyx
Sepals imbricate, free to base, ovate to lanceolate
Morphology Reproductive morphology Flowers Corolla
Corolla hypocrateriform; tube cylindrical; lobes contorted, overlapping to the left, shorter than the tube
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary superior, glabrous, bicarpellate, syncarpous with axile placentation; ovule 1 per locule; style filiform; stigma minutely bifid
Morphology Reproductive morphology Fruits
Fruit a berry, containing one or two seeds.

[FSOM]

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

Morphology General Habit
Trees and shrubs, unarmed; latex white
Morphology Leaves
Leaves opposite, leathery
Morphology Reproductive morphology Flowers
Flowers white tinged with red, in dense axillary cymes or clusters, sweetly scented
Morphology Reproductive morphology Flowers Corolla
Corolla salver-shaped; tube cylindrical; lobes overlapping to the left in bud
Morphology Reproductive morphology Flowers Corona
Corona absent
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens inserted in the top of the corolla-tube; anthers apiculate, with long stiff hairs on the filaments and connective
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary glabrous, of 2 united carpels; ovule 1 per cell; stigmatic head ellipsoid
Morphology Reproductive morphology Fruits
Fruit a globose to ellipsoid berry containing 1 or 2 seeds.
Distribution
Genus of five species in Africa and southern Arabia

[FSOM]
Use
All species containing very poisonous cardiac glycosides.

Native to:

Cape Provinces, Djibouti, Eritrea, Ethiopia, Kenya, KwaZulu-Natal, Malawi, Mozambique, Northern Provinces, Rwanda, Socotra, Somalia, Swaziland, Tanzania, Uganda, Yemen, Zambia, Zaïre, Zimbabwe

Acokanthera G.Don appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Troupin, G. [3302], Rwanda 3626.000

First published in Gen. Hist. 4: 485 (1838)

Accepted by

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

Literature

Flora Zambesiaca

  • Codd in Bothalia 7: 448 (1961).
  • Gen. Syst. 4: 485 (1838).
  • Kupicha in Kew Bull. 37:41 (1982).
  • Markgraf in Notizbl. Bot. Gart. Berl. 8: 459 (1923).

Flora of Somalia

  • Flora Somalia, Vol 3, (2006) Author: by M. Thulin [updated by M. Thulin 2008]
  • Kew Bull. 37: 41–67 (1982).

Flora of Tropical East Africa

  • Kupicha in K.B. 37 (1): 45 (1982)
  • in Gen. Syst. 4: 485 (1838)

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

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