Skip to main content
This genus is accepted, and its native range is Tropical & S. Africa.
A specimen from Kew's Herbarium

[FTEA]

Apocynaceae (part 2), David Goyder, Timothy Harris, Siro Masinde, Ulrich Meve, Johan Venter. Flora of Tropical East Africa, 2012

Morphology Stem
Stems simple, 1 or more, arising from a tuberous rootstock; latex white
Morphology Leaves
Leaves opposite, with lateral veins ± parallel and spreading to almost a right angle with the midrib
Morphology Reproductive morphology Inflorescences
Inflorescences umbelliform, with erect peduncles
Morphology Reproductive morphology Flowers Corolla
Corolla lobed almost to the base
Morphology Reproductive morphology Flowers Corona
Corolline corona absent Gynostegial corona lobes fleshy, generally not strongly compressed either dorsally or laterally
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers raised on a variously developed gynostegial stalk formed from the anther filaments; anther appendages membranous
Morphology Reproductive morphology Flowers Pollinia
Pollinia attached terminally to the winged translator arms.
Morphology Reproductive morphology Fruits
Follicles inflated or not
Morphology Reproductive morphology Seeds
Seeds flattened, ovate, with a coma of silky hairs.
Note
An unsatisfactory assemblage of ± 30 species in tropical and southern Africa. Within the Flora region, X. undulatum seems only distantly related to the remaining species.

Native to:

Angola, Benin, Botswana, Burkina, Burundi, Cameroon, Cape Provinces, Central African Repu, Chad, Congo, Ethiopia, Free State, Gabon, Gambia, Ghana, Guinea, Ivory Coast, Kenya, KwaZulu-Natal, Lesotho, Malawi, Mali, Mozambique, Namibia, Niger, Nigeria, Northern Provinces, Rwanda, Senegal, Sierra Leone, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

Xysmalobium R.Br. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Milne-Redhead, E. [3351], Zambia 30902.000
Mildbraed [9656], Cameroon K000234555

First published in Asclepiadeae: 27 (1810)

Accepted by

  • Albers, F. & Meve, U. (eds.) (2002). Illustrated handbook of succulent plants Asclepiadaceae, corr. 2nd printing: 1-318. Springer, Berlin, Heidelberg,New York.

Literature

Flora of Tropical East Africa

  • Mem. Wern. Soc. 1: 38 (1809)

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
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 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