Euphorbia crotonoides Boiss.
subsp. crotonoides

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Euphorbia crotonoides subsp. crotonoides

Photo: Bart Wursten
White Hill Pan, Hwange National Park

Euphorbia crotonoides subsp. crotonoides

Photo: Bart Wursten
White Hill Pan, Hwange National Park

Euphorbia crotonoides subsp. crotonoides

Photo: Bart Wursten
White Hill Pan, Hwange National Park

Euphorbia crotonoides subsp. crotonoides

Photo: Bart Wursten
White Hill Pan, Hwange National Park

Euphorbia crotonoides subsp. crotonoides

Photo: Bart Wursten
Chesa Forest Reserve, Umguza District.

Euphorbia crotonoides subsp. crotonoides

Photo: Bart Wursten
Chesa Forest Reserve, Umguza District.

Euphorbia crotonoides subsp. crotonoides

Photo: Bart Wursten
Chesa Forest Reserve, Umguza District.

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

Synonyms: Euphorbia holstii Pax var. hebecarpa Pax
Euphorbia systyloides Pax var. hebecarpa (Pax) N.E. Br.
Common names:
Frequency:
Status: Native
Description:
Much-branched annual herb, up to 1 m high or more. All parts with long spreading white hairs. Stems often woody near the base; branches longitudinally ridged or winged. Leaves reflexed; ovate to ovate-lanceolate, 3-9 cm long, base tapering into a winged petiole up to 2.5 cm long; midrib winged beneath; margin serrate with gland-tipped, often reddish teeth. Stipules glandular, dark red. Cymes in axillary, 3-branched umbels, forking many times; primary rays up to 10 cm long. Cyathia subsessile 2.5 × 3.5 mm, with cup-shaped involucres; glands 4, transversely elliptic, yellow to red. Female flowers with densely woolly ovaries. Capsule subglobose c. 7 mm in diameter, shallowly grooved along the sutures, covered in long spreading hairs, borne on a slightly curved woolly pedicel up to 3 mm long.
Notes:
Derivation of specific name: crotonoides, resembling a Croton.
Habitat: In open woodland or in disturbed ground, usually on sandy soils.
Altitude range: (metres) 450 - 1250 m
Flowering time:
Worldwide distribution: Botswana, Namibia, Sudan, Ethiopia Uganda, Kenya, Tanzania, Malawi, Zambia, Zimbabwe and Limpopo, Mpumalanga, South Africa.
Zimbabwe distribution: N,W,C
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species: Achaea catella (Larval food plant)
Spot characters: Display spot characters for this species
Images last updated: Wednesday 22 February 2017
Literature:

Carter, S. & Leach, L.C. (2001). Euphorbiaceae: subfamily Euphorbioideae: tribe Euphorbieae Flora Zambesiaca 9(5) Pages 365 - 366.

Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 125. (Includes a picture).

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.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 48.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 56.


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Other sources of information about Euphorbia crotonoides subsp. crotonoides:

Our websites:

Flora of Botswana: Euphorbia crotonoides subsp. crotonoides
Flora of Malawi: Euphorbia crotonoides subsp. crotonoides
Flora of Zambia: Euphorbia crotonoides subsp. crotonoides

External websites:

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


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-17

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2017). Flora of Zimbabwe: Species information: Euphorbia crotonoides subsp. crotonoides.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=135830, retrieved 26 April 2017

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