Euphorbia pfeilii Pax

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Euphorbia pfeilii

Photo: Bart Wursten
Near bridge over Sitagane River, by road from Tuli to Hwali River bridge

Euphorbia pfeilii

Photo: Bart Wursten
Near bridge over Sitagane River, by road from Tuli to Hwali River bridge

Euphorbia pfeilii

Photo: Bart Wursten
Near bridge over Sitagane River, by road from Tuli to Hwali River bridge

Euphorbia pfeilii

Photo: Bart Wursten
Near bridge over Sitagane River, by road from Tuli to Hwali River bridge

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

Synonyms: Euphorbia anomala Pax
Euphorbia glaucella Pax
Euphorbia kwebensis N.E. Br.
Common names:
Frequency: Local
Status: Native
Description:
Annual or short-lived perennial herb, up to 60 cm high. Stems hairless, somewhat woody at the base. Leaves mostly as floral bracts, opposite, Linear-lanceolate,up to 5.5 cm long but mostly much smaller; margin usually with a few minute teeth especially near the apex. Flowers axillary and in 3-branched umbels forking many times; primary rays branch-like up to 15 cm long. Bracts leaf-like. Cyathia subsessile, 1.7 × 2 mm; involucres cup-shaped, hairless or with a few short appressed hairs around the top; glands 4, elliptic; lobes 0.5 mm long, triangular, ciliate. Capsule c. 3.5 mm long, obtusely 3-lobed, usually sparsely covered with short appressed hairs, especially in the upper half, exserted on a curved pedicel.Seeds oblong-rectangular, flattened, grey with a distinctly verrucose surface.
Notes:
Derivation of specific name: pfeilii: after Joachim Friedrich Graf von Pfeil (1857-1924), German geographer and plant collector in Namibia and South Africa.
Habitat: On rocky slopes and exposed gravelly soils in hot dry areas.
Altitude range: (metres) 500 - 1000 m
Flowering time:
Worldwide distribution: Botswana, Namibia, Zimbabwe and Zoutpansberg, South Africa.
Zimbabwe distribution: S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Monday 17 December 2012
Literature:

Carter, S. & Leach, L.C. (2001). Euphorbiaceae: subfamily Euphorbioideae: tribe Euphorbieae Flora Zambesiaca 9(5) Pages 366 - 367.

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.


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Other sources of information about Euphorbia pfeilii:

Our websites:

Flora of Botswana: Euphorbia pfeilii

External websites:

African Plant Database: Euphorbia pfeilii
Biodiversity Explorer (Biodiversity of southern Africa): Euphorbia pfeilii
EOL (Encyclopedia of Life): Euphorbia pfeilii
ePIC (electronic Plant Information Center): Euphorbia pfeilii
Flora Zambesiaca web site: Euphorbia pfeilii
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Euphorbia pfeilii
IPNI (International Plant Names Index): Euphorbia pfeilii
Ispot Southern Africa : Euphorbia pfeilii
JSTOR Plant Science: Euphorbia pfeilii
Kew Herbarium catalogue: Euphorbia pfeilii
Tropicos: Euphorbia pfeilii
West African Plants database: Euphorbia pfeilii


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Species information: Euphorbia pfeilii.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=136250, retrieved 30 September 2016

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