Skip to main content
This species is accepted, and its native range is Uganda (Karamoja).

[FTEA]

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

Morphology General Habit
Decumbent spreading succulent shrub, densely branched from the base, sparsely branched above, to 60 cm. high; branches 4(–5)-angled, 1–2 cm. thick; angles sinuately toothed, with teeth 8–15 mm. apart.
Morphology General Spines
Spine-shields oblong with a truncate base, to 3 × 3 mm. above the spines, decurrent to the flowering eye below, occasionally surrounding it to form a continuous horny margin; spines to 8 mm. long; prickles rudimentary.
Morphology Leaves
Leaves ovate, ± 1 × 1 mm.
Morphology Reproductive morphology Inflorescences
Cymes solitary, 1–2-forked, with stout peduncle and cyme-branches 2–4 mm. long; bracts deltoid, ± 1.25 × 1.25 mm.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia ± 2.5 × 5 mm., with cup-shaped involucres; glands transversely oblong; ± 1.25 × 2.75 mm., contiguous, yellow; lobes transversely elliptic, ± 1 × 1.25 mm.
sex Male
Male flowers:bracteoles fan-shaped, deeply and irregularly laciniate; stamens 4.5 mm. long, red.
Morphology Reproductive morphology Flowers
Female flower:styles 1.25 mm. long, joined at the base, apices thickened, rugose. Male flowers:bracteoles fan-shaped, deeply and irregularly laciniate; stamens 4.5 mm. long, red.
sex Female
Female flower:styles 1.25 mm. long, joined at the base, apices thickened, rugose.
Morphology Reproductive morphology Fruits
Capsule exserted on a reflexed pedicel to 1 cm. long, obtusely 3-lobed, ± 4 × 5.5 mm., buff.
Morphology Reproductive morphology Seeds
Seeds ovoid, 2.5 × 2 mm., grey, shallowly tuberculate.
Habitat
Exposed rocks and boulders, with sparse deciduous bushland; 950–1850 m.
Distribution
not known elsewhere U1

Native to:

Uganda

Euphorbia petraea S.Carter appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Osmaston, H.A. [500], Uganda 16760.000 holotype
Classen [92], Uganda 42826.000

First published in Hooker's Icon. Pl. 39: t. 3871 (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 Tropical East Africa

  • S. Carter in Hook., Ic. Pl. 39, t. 3871 (1982).

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

Herbarium Catalogue Specimens

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