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

[FZ]

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

Morphology General Habit
Erect annual herb to 50 cm high; branches spreading, glabrous or occasionally minutely pubescent, becoming woody at the base, longitudinally ridged towards the apex.
Morphology Leaves
Leaves with a petiole 1–2 mm long; stipules to 1.5 mm long, linear from a broad base, entire; lamina glabrous, to 40 × 5 mm, linear or linear-lanceolate, obtuse at the apex, obliquely rounded at the base, denticulate on the margins especially towards the apex, rarely entire.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia terminal and pseudoaxillary, congested on short leafy shoots, solitary on peduncles 0.5–1.5 mm long, c. 1.3 × 1.3 mm with cup-shaped involucres; glands 4, to 0.5 mm wide, transversely elliptic, with pink or white appendages variable in size to 0.6 × 1 mm; lobes minute, acutely triangular.
sex Male
Male flowers: bracteoles filamentous; stamens 1.5 mm long.
Morphology Reproductive morphology Flowers
Female flower: ovary pedicellate, glabrous; styles 0.5 mm long, joined at the base, bifid almost to the base. Male flowers: bracteoles filamentous; stamens 1.5 mm long.
sex Female
Female flower: ovary pedicellate, glabrous; styles 0.5 mm long, joined at the base, bifid almost to the base.
Morphology Reproductive morphology Fruits
Capsule exserted on a pedicel c. 1.5 mm long, 1.5 × 1.8 mm, acutely 3-lobed.
Morphology Reproductive morphology Seeds
Seeds 1.1 × 0.7 mm, oblong-conical, 4-angled with shallow transverse wrinkles, pale pinkish-grey.

Native to:

Botswana, Zambia, Zimbabwe

Euphorbia spissiflora S.Carter appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Bingham, M.G. [1158], Zimbabwe K000253044 holotype

First published in Kew Bull. 45: 331 (1990)

Accepted by

  • Bruyns, P.V. (2012). Nomenclature and typification of southern African species of Euphorbia Bothalia 42: 217-245.
  • 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.
  • Yang, Y., Riina, R., Morawetz, J.J., Haevermans, T., Aubriot, X. & Berry, P.E. (2012). Molecular phylogenetics and classification of Euphorbia subgenus Chamaesyce (Euphorbiaceae) Taxon 61: 764-789.

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