Euphorbia ophthalmica Pers.

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Euphorbia ophthalmica

Photo: Bart Wursten
Camp site, Chirinda Forest.

Euphorbia ophthalmica

Photo: Petra Ballings
Shaneragh rd, Mandara, Harare.

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Synonyms: Chamaesyce ophthalmica (Pers.) D.G.Burch
Euphorbia hirta L. var. ophthalmica (Pers.) Allem & Irgang
Common names:
Frequency: Occasional but probably overlooked
Status: Introduced
Description:
Prostrate annual herb, generally very similar to Euphorbia hirta. Its is usually smaller and less hairy in most parts and can be distinguished by the inflorescences always being terminal only, while those in E. hirta are both terminal and axillary along the branches.
Notes: This species has only recently been found to occur in Zimbabwe, mainly through confirmed records on the INaturalist platform. It may have been long overlooked or misidentified as a depauperate, smaller form of the widespread and common E. hirta.
Derivation of specific name:
Habitat: As a weed of disturbed places.
Altitude range: (metres) 1000 - 1500 m
Flowering time:
Worldwide distribution: Native to parts of Central and South America. Only recently found to occur as an introduced species in parts of Tropical and Southern Africa, Tropical Asia and Australia.
Zimbabwe distribution: W,C,E
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Literature:

Other sources of information about Euphorbia ophthalmica:

External websites:

African Plants: A Photo Guide (Senckenberg): Euphorbia ophthalmica
BHL (Biodiversity Heritage Library): Euphorbia ophthalmica
EOL (Encyclopedia of Life): Euphorbia ophthalmica
GBIF (Global Biodiversity Information Facility): Euphorbia ophthalmica
Google: Web - Images - Scholar
iNaturalist: Euphorbia ophthalmica
IPNI (International Plant Names Index): Euphorbia ophthalmica
JSTOR Plant Science: Euphorbia ophthalmica
Mansfeld World Database of Agricultural and Horticultural Crops: Euphorbia ophthalmica
Plants of the World Online: Euphorbia ophthalmica
Tropicos: Euphorbia ophthalmica
Wikipedia: Euphorbia ophthalmica


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Species information: Euphorbia ophthalmica.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=249720, retrieved 30 October 2024

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