Euphorbia monteiroi Hook. f.
subsp. monteiroi

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Synonyms: Euphorbia monteiri sensu auct.
Common names:
Status: Native
Erect succulent perennial to 30 cm with simple stems, only branching when damaged. Stems bearing closely spirally arranged rhomboid tubercles to 15 mm long with leaves at their apices. Leaves subsessile, up to 12 × 1.2 cm, linear-lanceolate, entire. Cymes in terminal umbels. Bracts c. 3 × 2 cm, deltoid. Glands 4-5, transversely elliptic with 3-6 finger-like processes on the outer margin. Capsule 8 × 11 mm, borne on an erect pedicel.
Notes: There is confusion over the spelling of the specific name with monteiroi being used by some authorities and monteiri by others. Although Leach (1979) defended the use of monteiri, we have adopted the name monteiroi as this seems to be generally accepted.
Derivation of specific name: monteiroi: named for Joachim Monteiro, a Portuguese colonial official and naturalist.
Habitat: Sandy soils in wooded grassland.
Altitude range: (metres) 1000 - 1070 m
Flowering time:
Worldwide distribution: Namibia, Angola, Botswana and Zimbabwe
Zimbabwe distribution: W,E
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Carter, S. & Leach, L.C. (2001). Euphorbiaceae: subfamily Euphorbioideae: tribe Euphorbieae Flora Zambesiaca 9(5) Page 384.

Golding, J.S. (ed.) (2002). Zimbabwe Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 179. As Euphorbia monteiroi

Leach, L.C. (1979). The correct spelling of Euphorbia monteiri Hook.f. and the operation of Art. 73.10, I.C.B.N. 1978 Taxon 28, 5/6 Pages 602 - 604.

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 41.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 57.

Other sources of information about Euphorbia monteiroi subsp. monteiroi:

Our websites:

Flora of Botswana: Euphorbia monteiroi subsp. monteiroi
Flora of Caprivi: Euphorbia monteiroi subsp. monteiroi

External websites:

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

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 monteiroi subsp. monteiroi., retrieved 15 June 2024

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