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This species is accepted, and its native range is Kenya.
A specimen from Kew's Herbarium

[FTEA]

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

Morphology General Habit
Much-branched, spreading, woody shrub to 2.5 m. high, with greyish brown bark; young branches puberulous.
Morphology Leaves
Leaves alternate, occasionally fasciculate, petiolate, obovate to panduriform, to 5 × 3 cm., base rounded, apex truncate to shallowly emarginate, lamina pubescent, sparsely so at maturity, midrib prominent beneath; petiole to 8 mm. long; stipules filamentous to 1 mm. long.
Morphology Reproductive morphology Inflorescences
Cymes terminal, consisting of a central cyathium with (2–)3 lateral cyathia on pubescent rays to 3 cm. long, forking once; bracts sessile, obovate, ± 1.5 × 1 cm., pubescent beneath, greenish yellow.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia sessile, or the central one on a peduncle ± 2 (–10) mm. long, ± 5.5 × 10 mm., with minutely pubescent cup-shaped involucres; glands 5, spreading, transversely elliptic, ± 2.5 × 3.5 mm., flat to very shallowly saucer-shaped, yellow; lobes transversely elliptic, ± 1.5 × 3 mm., margin fringed.
Morphology Reproductive morphology Flowers
Male flowers many:bracteoles fan-shaped, deeply divided, apices feathery; stamens ± 6.5 mm. long, anther-thecae shortly pilose. Female flower:ovary densely pubescent, sessile; styles ± 6 mm. long, pubescent, joined up to halfway, with spreading, deeply bifid, thickened apices.
sex Male
Male flowers many:bracteoles fan-shaped, deeply divided, apices feathery; stamens ± 6.5 mm. long, anther-thecae shortly pilose.
sex Female
Female flower:ovary densely pubescent, sessile; styles ± 6 mm. long, pubescent, joined up to halfway, with spreading, deeply bifid, thickened apices.
Morphology Reproductive morphology Fruits
Capsule subglobose, pubescent, ± 8 mm. in diameter.
Morphology Reproductive morphology Seeds
Seeds ovoid, angular, with truncate base, ± 3 × 4 mm., smooth, pale grey.
Figures
Fig. 87/1–3.
Habitat
On sandy gravelly soils and lava, with open Acacia-Commiphora bushland; 180–750 m.
Distribution
not known elsewhere K1 K4 K7

Native to:

Kenya

Euphorbia joyae P.R.O.Bally & S.Carter appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Feb 28, 1985 Mungai, G.M. [5783], Kenya K000237662
Feb 28, 1985 Mungai, G.M. [9883], Kenya K000237660
Jan 16, 1984 Adamson, T. [1], Kenya K000237657
Jan 16, 1984 Gillett, J.B. [20578], Kenya K000237661
Jan 16, 1984 Gillett, J.B. [18911], Kenya K000237664
Jan 16, 1984 Stannard, B. [1111], Kenya K000237667
Jan 16, 1984 Edwards, L.C. [194], Kenya K000237665
Jan 16, 1984 Bally [B12297], Kenya K000237671
Jan 16, 1984 Greenway, P.J. [12762], Kenya K000237669
Jan 16, 1984 Bally, P.R.O. [B14702], Kenya K000237658
Jan 16, 1984 Bally, P.R.O. [B14694], Kenya K000237668
Jan 16, 1984 Mwangangi, O.M. [644], Kenya K000237663
Jan 16, 1984 Gillett, J.B. [19686], Kenya K000237659
Jan 16, 1984 Greenway, P.J. [12805], Kenya K000237666
Adams, M.C. [12398], Kenya 2072.000
Kenya 31683.000
Kenya 31850.000
Bally, P.R.O. [B 14694], Kenya 34793.000
Bally, P.R.O. [?/?/1988], Kenya 4101.000 holotype
Adamson, J. [594], Kenya 6421.000
Bally, J. [E206], Kenya K000237670 holotype

First published in Kew Bull. 40: 820 (1985)

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.

Literature

Flora of Tropical East Africa

  • Bally & S. Carter in Kew Bulletin 40: 820 (1985).

Flora of Tropical East Africa
Flora of Tropical East Africa
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