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This species is accepted, and its native range is S. Zambia to N. Zimbabwe.
A specimen from Kew's Herbarium

[FZ]

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

Morphology General Habit
Candelabriform succulent tree to 5(7) m high; trunk stout, to 22.5(30) cm in diameter; crown flat-topped.
Morphology Branches
Branches usually whorled, spreading and curving upwards, usually exceeding the trunk apex, 3(4)-angled, regularly constricted; segments 6–8 × 5–7 cm, ovate to circular; angles stoutly wing-like, with shallow tubercles c. 1 cm apart along the margins.
Morphology General Spines
Spine shields forming a continuous horny margin to 8 mm wide along the angles; spines stout, 2–7 mm long, diverging; prickles rudimentary; rudimentary secondary spines flanking the flowering eyes on young growth.
Morphology Leaves
Leaves minute, quickly deciduous.
Morphology Reproductive morphology Inflorescences
Cymes 1–3 from each flowering eye, lateral cyathia vertically arranged; peduncles 7–10 mm long, cyme branches 5–8 mm long, stout to 4.5 mm in diameter; bracts c. 7.5 mm wide, broadly elliptic, obtusely keeled, usually ± split.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia 4–5 × 10–11 mm, with cup-shaped involucres; glands 2.5 × 5 mm, reniform, spreading, closely touching, yellow; lobes c. 2 × 3 mm, subquadrate.
sex Male
Male flowers c. 60: bracteoles fimbriate; stamens 6 mm long.
Morphology Reproductive morphology Flowers
Female flower: perianth irregularly dentately 3-lobed; styles spreading, 2.25 mm long, joined up to two-thirds. Male flowers c. 60: bracteoles fimbriate; stamens 6 mm long.
sex Female
Female flower: perianth irregularly dentately 3-lobed; styles spreading, 2.25 mm long, joined up to two-thirds.
Morphology Reproductive morphology Fruits
Capsule 9–18 × 15–24 mm, obtusely lobed, truncate at the base and apex, exserted on a stout, curved pedicel to 13 mm long.
Morphology Reproductive morphology Seeds
Seed 4 × 3.5 mm, subglobose, olive-brown, mottled with a waxy coating.

Native to:

Zambia, Zimbabwe

Euphorbia fortissima L.C.Leach appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Leach, L.C. [12117], Zimbabwe 23405.000
Leach, L.C. [11616], Zimbabwe 26159.000 isotype
Leach, L.C. [11616], Zimbabwe K000253104 isotype
Leach, L.C. [11616], Zimbabwe K000253103 isotype

First published in J. S. African Bot. 30: 209 (1964)

Accepted by

  • 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