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This species is accepted, and its native range is Kenya to NE. Tanzania.

[FTEA]

Euphorbiaceae, A. R.-Smith. Flora of Tropical East Africa. 1987

Habit
Straggly succulent shrub with erect or decumbent branches rooting where they touch the ground, to 2 m. high, sparingly rebranched above; branches 4(–5)-angled, to ± 2 cm. thick, green with usually regular darker patches along the angles; angles straight to shallowly undulate.
Spines
Spine-shields elongated, to 5 × 2 mm. above the spines, narrowly decurrent to 15 mm. and 1–7 mm. above the flowering eye below, or forming a continuous horny margin with spine-pairs to 2.5 cm. apart; spines 1–6 mm. long, occasionally absent; prickles vestigial.
Leaves
Leaves deltoid, ± 1.5 × 1.5 mm., margin very obscurely toothed.
Inflorescences
Cymes solitary, 1-forked with stout peduncles and cyme-branches 2–3 mm. long, yellow or red; bracts triangular, ± 1.5 × 2 mm.
Cyathia
Cyathia ± 3 × 6 mm., with cup-shaped involucres; glands transversely oblong, ± 1.4 × 3 mm., contiguous; lobes transversely elliptic, 1.2 × 2 mm.
Male
Male flowers:bracteoles fan-shaped, deeply laciniate, fimbriate; stamens 3.8 mm. long.
Flowers
Female flower:styles 1.8 mm. long, joined at the base, apices much thickened, rugose. Male flowers:bracteoles fan-shaped, deeply laciniate, fimbriate; stamens 3.8 mm. long.
Female
Female flower:styles 1.8 mm. long, joined at the base, apices much thickened, rugose.
Fruits
Capsule exserted on a reflexed pedicel ± 5 mm. long, sharply 3-lobed, ± 3 × 5.5 mm.
Seeds
Seeds ovoid, 2.2 × 2 mm., grey, shallowly tuberculate.

Native to:

Kenya, Tanzania

Euphorbia heterochroma Pax appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Greenway, P.J. [6475], Tanzania 2064.000
Gillett, J.B. [14756], Ethiopia 2062.000
Drummond, R.B. [3224], Tanzania 15762.000
Bally, P.R.O. [E. 183], Tanzania 2066.000
Bally, P.R.O. [E. 215], Tanzania 5217.000
Robertson [1283], Ethiopia 27461.016
Engler [1613] K000253008
Volkens, [G.] [1759], Tanzania K000253007

First published in H.G.A.Engler, Pflanzenw. Ost-Afrikas, C: 242 (1895)

Accepted by

  • Carter, S. (2008). Euphorbia in Tanzania Euphorbia World 4(2): 5-9.
  • 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.

Literature

Kew Backbone Distributions

  • Carter, S. (2008). Euphorbia in Tanzania Euphorbia World 4(2): 5-9.

Flora of Tropical East Africa

  • S. Carter & M.G. Gilbert in Kew Bulletin 42: 387 (1987).
  • J.P.M. Brenan, Check-lists of the Forest Trees and Shrubs of the British Empire no. 5, part II, Tanganyika Territory p. 212 (1949).
  • N.E. Br. in Flora of Tropical Africa 6(1): 572 (1911), excl. E. stapfii Berger.
  • Pax in Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete, Theile C: 242 (1895).

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

Herbarium Catalogue Specimens
'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
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