Euphorbia unicornis R.A. Dyer

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Euphorbia unicornis

Photo: Ton Rulkens
Melucu district in Cabo Delgado province

Euphorbia unicornis

Photo: Ton Rulkens
Melucu district in Cabo Delgado province

Euphorbia unicornis

Photo: Ton Rulkens
Melucu district in Cabo Delgado province

Euphorbia unicornis

Photo: Ton Rulkens
Melucu district in Cabo Delgado province

Euphorbia unicornis

Photo: Ton Rulkens
Melucu district in Cabo Delgado province

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Synonyms:
Common names:
Frequency: Apparently rare and local.
Status: Native
Description:
Spiny succulent shrublet, up to c. 30 cm high, branching from the base. Branches 6-7-angled withe spine-shields forming continuous ridges, completely covering the plant except for narrow grooves between the ridges. Spines single, 4-6 mm long; prickles small 1-1.5 mm long. Cyathia c. 2 × 3 mm with cup-shaped involucres; glands forming a full circle, deep red.
Notes: Similar to Euphorbia corniculata, which occurs in the same area and habitat. That species is distinguished by the paired, longer spines.
Derivation of specific name: unicornis: with single spines.
Habitat: On rocky outcrops.
Altitude range: 450 - 740 m
Flowering time:
Worldwide distribution: Only known from a small area in northern Mozambique.
Mozambique distribution: N
Growth form(s): Shrub under 2 m.
Endemic status: Endemic
Red data list status: Vulnerable
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Thursday 27 October 2016
Literature:

Carter, S. & Leach, L.C. (2001). Euphorbiaceae: subfamily Euphorbioideae: tribe Euphorbieae Flora Zambesiaca 9(5) Page 433.

Other sources of information about Euphorbia unicornis:

External websites:

African Plants: A Photo Guide (Senckenberg): Euphorbia unicornis
African Plant Database: Euphorbia unicornis
BHL (Biodiversity Heritage Library): Euphorbia unicornis
EOL (Encyclopedia of Life): Euphorbia unicornis
ePIC (electronic Plant Information Center): Euphorbia unicornis
Flora Zambesiaca web site: Euphorbia unicornis
GBIF (Global Biodiversity Information Facility): Euphorbia unicornis
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Euphorbia unicornis
iNaturalist: Euphorbia unicornis
IPNI (International Plant Names Index): Euphorbia unicornis
JSTOR Plant Science: Euphorbia unicornis
Kew Herbarium catalogue: Euphorbia unicornis
Mansfeld World Database of Agricultural and Horticultural Crops: Euphorbia unicornis
Plants of the World Online: Euphorbia unicornis
The Plant List (version 1.1): Euphorbia unicornis
Tropicos: Euphorbia unicornis
Wikipedia: Euphorbia unicornis


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-19

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Mozambique: Species information: Euphorbia unicornis.
https://www.mozambiqueflora.com/speciesdata/species.php?species_id=132900, retrieved 13 December 2019

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