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This species is accepted, and its native range is Somalia.

[FSOM]

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

Type
N3, 90 km SW of “Iskushuban”, Lavranos & Horwood 10188 (K holo.)
Morphology General Habit
Fibrous rooted dwarf succulent, developing from a depressed globose seedling 3–5 cm in diam., marked by 5–7 vertical rows of minute, usually spineless spine-shields and insipient branches; mature plants to c. 5 cm high and 12 cm in diam., eventually to 8 cm high and 30 cm in diam., with laterally spreading branches tightly packed in 5–7 vertical series
Morphology Branches
Branches terete, 1–1.5 cm thick, to 5(–12) cm long, occasionally very shortly rebranching, with very shallow tubercles c. 1 cm apart in 4–5 longitudinal series, pale greyish brown with darker markings between the tubercles
Morphology General Spines
Spine-shields quite separate, rounded to broadly obovate, 2–5 x 1.5–4.5 mm; spines 3–10 mm long, slender, usually developing only when the branches begin to elongate from the globose body; prickles absent, or vestigial and evident only on young growth
Morphology Reproductive morphology Inflorescences
Flowering eyes immediately above the spine-shields; cymes solitary, 1-forked, with peduncle and cyme-branches 2–3 mm long
Morphology Reproductive morphology Inflorescences Bracts Involucre
Cyathia 3.5 mm in diam.; glands c. 1.5 mm broad, spreading, scarcely touching, yellow
Morphology Reproductive morphology Flowers Gynoecium Style
Styles 2 mm long
Morphology Reproductive morphology Fruits
Capsule exserted on a recurved pedicel 2.5 mm long, obtusely 3-lobed, 2.5 x 3 mm
Morphology Reproductive morphology Seeds
Seeds ovoid, 2 x 1.4 mm, minutely and closely tuberculate.
Distribution
N3 not known elsewhere.
Ecology
Altitude range 600–700 m.
Note
This description has been modified from the original, which was taken from cultivated material. Large plants with long branches (more than 5 cm) are found in the wild only in the shelter of other vegetation.

Native to:

Somalia

Euphorbia horwoodii S.Carter & Lavranos appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Somalia 43258.000 holotype
Somalia 51973.000

First published in Cact. Succ. J. (Los Angeles) 50: 28 (1978)

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 Somalia
Flora of Somalia
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