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This genus is accepted, and its native range is Cameroon to Ethiopia and Botswana.
A specimen from Kew's Herbarium


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

Morphology General Habit
Perennial herbs with annual stems arising from a slender to stout vertical tuber.
Morphology General Exudate
Latex milky.
Morphology Stem
Stems 1 to many, simple or branched, erect or ascending, glabrous or pubescent with short, spreading hairs
Morphology Leaves
Leaves opposite, sessile or petiolate
Morphology Reproductive morphology Inflorescences
Inflorescences terminal, extra-axillary or both, umbels erect, borne on long or short peduncles
Morphology Reproductive morphology Flowers Calyx
Calyx lobed to the base
Morphology Reproductive morphology Flowers Corolla
Corolla rotate to strongly reflexed, occasionally broadly campanulate
Morphology Reproductive morphology Flowers Corona
Corolline corona absent Gynostegial corona of 5 lobes arising above the base of the staminal column; erect and somewhat fleshy, frequently weakly pouched towards the base and concave-cucullate for at least some of its length, the inner apical margins generally produced into a pair of inward- or upward-pointing teeth, with or without a tooth arising from the middle of the cavity, glabrous except along the midline of the cavity towards the base of the lobe
Morphology Reproductive morphology Flowers Gynostegium
Gynostegium sessile or with stipe to 3 mm long
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther wings curved, with or without a contorted basal tail
Morphology Reproductive morphology Flowers Pollinia
Corpusculum ovoid to subcylindrical or occasionally subglobose, black; translator arms with a membranous, convex and somewhat contorted proximal part, and a filiform distal part broadening abruptly into a short clasping overlap with the pollinium. Pollinia flattened, oblong, pendant in the anther cells
Morphology Reproductive morphology Flowers Gynoecium Style
Stylar head flat
Morphology Reproductive morphology Flowers Pedicel
Fruiting pedicel not contorted.
Morphology Reproductive morphology Fruits
Follicles single, erect, ovoid to fusiform, beaked, occasionally inflated but generally not, smooth or with weak longitudinal ridges, glabrous to densely pubescent
Morphology Reproductive morphology Seeds
Seeds flattened, ovate, with a verrucose disc and a narrow inflated rim; coma of silky hairs.

Native to:

Angola, Botswana, Cameroon, Ethiopia, Gabon, Kenya, Malawi, Mozambique, Rwanda, Sudan, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

Stathmostelma K.Schum. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Archer, P.G. [A 2], Kenya 1980.000

First published in Bot. Jahrb. Syst. 17: 129 (1893)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8: 215.


Flora of Tropical East Africa

  • E. & P. Pf. 4(2): 239 (1895)
  • E.J. 17: 129 (1893)
  • K.B. 53: 577–616 (1998)

Flora of Tropical East Africa
Flora of Tropical East Africa

Herbarium Catalogue Specimens

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 World Checklist of Selected Plant Families.

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.