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This species is accepted, and its native range is S. Mozambique to Eswatini.
A specimen from Kew's Herbarium

[FZ]

Euphorbiaceae, S. Carter & L.C. Leach. Flora Zambesiaca 9:5. 2001

Morphology General Habit
Succulent spiny shrub or small tree to 2–6 m tall, with a crown of spreading-ascending branches.
Morphology Branches
Branches 1–2 m long, (3)5(6)-angled, constricted into segments up to 25 × 3–4 cm; angles ± winged, with wings 7–15 mm deep and shallowly sinuate, the tubercles 1–1.75 cm apart along the margins.
Morphology General Spines
Spine shields joined in a grey, horny margin c. 2–3 mm wide; spines 5–8 mm long, fairly stout.
Morphology Leaves
Leaves 5 mm long, ovate, deciduous.
Morphology Reproductive morphology Inflorescences
Cymes 1–3 in a horizontal line 5 mm above the spines, simple, with lateral cyathia vertically arranged; peduncles and cyme branches 1–2 mm long; bracts subquadrate, scale-like.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia c. 3 × 4–5 mm with cup-shaped involucres; glands transversely oblong, 2–2.5 mm wide, greenish-yellow; lobes 1.25 × 1.25 mm, subquadrate, fimbriate.
Morphology Reproductive morphology Flowers
Male flowers: bracteoles 3 mm long, laciniate; stamens 5 mm long. Female flower: styles 1.5 mm long, joined to halfway, apices bifid.
sex Male
Male flowers: bracteoles 3 mm long, laciniate; stamens 5 mm long.
sex Female
Female flower: styles 1.5 mm long, joined to halfway, apices bifid.
Morphology Reproductive morphology Fruits
Capsule 4 × 6–7 mm, obtusely lobed, exserted on a recurved pedicel c. 6 mm long.
Morphology Reproductive morphology Seeds
Seeds subglobose, c. 2.25 × 2 mm, brown, smooth.

Native to:

Mozambique, Swaziland

Euphorbia keithii R.A.Dyer appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Keith, D.R. [s.n. (Nat herb. no. 28423-4)], Swaziland K000253402 Unknown type material
Keith, D.R. [s.n. ( Nat Herb. no. 28422)], Swaziland K000253403 Unknown type material

First published in Bothalia 6: 223 (1951)

Accepted by

  • Bruyns, P.V. (2012). Nomenclature and typification of southern African species of Euphorbia Bothalia 42: 217-245.
  • Calane da Silva, M., Izdine, S. & Amuse, A.B. (2004). A Preliminary Checklist of the Vascular Plants of Mozambique: 1-184. SABONET, Pretoria.
  • Govaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew.

Flora Zambesiaca
Flora Zambesiaca
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