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

[FTEA]

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

Morphology General Habit
Densely branched succulent perennial, spreading to form tangled masses to 15 cm. high and 50 cm. in diameter; branches 4-angled, to 25 cm. long and 8 mm. thick, with branchlets spreading at right-angles, dark glossy green with a paler longitudinal stripe down each face; angles shallowly toothed with teeth 5–10 mm. apart.
Morphology General Spines
Spinescence dark brown; spine-shields oblong, ± 2 mm. wide, to 1.5 mm. long above the spines and decurrent to 5 mm. and to shortly above the flowering eye below; spines to 18 mm. long; prickles absent or rudimentary.
Morphology Leaves
Leaves acutely deltoid, ± 1 × 0.7 mm., obscurely denticulate.
Morphology Reproductive morphology Inflorescences
Cymes solitary, 1-forked, with peduncle and cyme-branches 1–2 mm. long; bracts ovate, 1 × 0.75 mm.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia ± 2 × 2.5 mm., with cup-shaped involucres; glands transversely oblong, ± 0.75 × 1.25 mm., contiguous, brownish yellow; lobes subcircular, ± 0.75 mm. long.
sex Male
Male flowers:bracteoles deeply laciniate; stamens 2 mm. long.
Morphology Reproductive morphology Flowers
Female flower:styles 1 mm. long, joined only at the base, apices scarcely thickend. Male flowers:bracteoles deeply laciniate; stamens 2 mm. long.
sex Female
Female flower:styles 1 mm. long, joined only at the base, apices scarcely thickend.
Morphology Reproductive morphology Fruits
Capsule exserted on a reflexed pedicel to 4 mm. long, deeply 3-lobed, ± 2 × 2.5 mm., buff with purple-marked sutures.
Morphology Reproductive morphology Seeds
Seeds ovoid, 1.25 × 1 mm., red-brown, minutely and densely rugulose.
Habitat
Rocky gravelly limestone slopes with open Acacia bushland; 250–300 m.
Distribution
K1 southern Ethiopiarestricted to the NE. corner of Kenya and a corresponding limited area in Ethiopia

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Dwarf succulent perennial, much-branched to form loosely tangled masses 15–25 cm high and 25–50 cm in diam.
Morphology Branches
Branches spreading, rebranching irregularly, c. 8 mm thick, obtusely 4-angled, glossy green or yellowish with a darker stripe along the angles; angles very shallowly toothed, with teeth 5–10 mm apart
Morphology General Spines
Spine-shields separate, oblong, 1–2 x 3–6 mm, dark brown; spines slender, irregular in length, 2–18 mm long; prickles absent or rudimentary
Morphology Reproductive morphology Inflorescences
Flowering eyes immediately above the spine-shields; cymes 1-forked, with peduncle and cyme-branches 1–2 mm long
Morphology Reproductive morphology Inflorescences Bracts Involucre
Cyathia 2.5 mm in diam.; glands 1.25 mm broad, contiguous, brownish yellow
Morphology Reproductive morphology Flowers Gynoecium Style
Styles 1 mm long
Morphology Reproductive morphology Fruits
Capsule exserted on a recurved pedicel c. 4 mm long, deeply 3-lobed, 2 x 2.5 mm, buff with purple-marked sutures
Morphology Reproductive morphology Seeds
Seeds ovoid, 1.25 x 1 mm, red-brown, minutely and densely tuberculate.
Distribution
S1 NE Kenya and adjoining areas of Ethiopia.
Ecology
Altitude c. 200 m.

Native to:

Ethiopia, Kenya

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

Date Reference Identified As Barcode Type Status
Kenya 44023.000
Bally, P.R.O. [16587], Kenya K000253014 holotype

First published in Hooker's Icon. Pl. 39: t. 3868 (1982)

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 Somalia

  • Flora Somalia, Vol 1, (1993) Author: by S. Carter [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • Bally & S. Carter in Hook., Ic. Pl. 39, t. 3868 (1982).

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

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