Cynanchum gerrardii (Harv.) Liede

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Cynanchum gerrardii

Photo: Bart Wursten
SRGH

Cynanchum gerrardii

Photo: Bart Wursten
SRGH

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

Synonyms: Cynanchum sarcostemmatoides K. Schum.
Cynanchum tetrapterum (Turcz.) R.A. Dyer
Sarcocyphula gerrardii Harv.
Common names: Milk-rope (English)
Frequency:
Status: Native
Description:
Leafless perennial twiner or climber. Stems smooth, succulent with milky latex. Flowers in small sessile clusters at the nodes. Corolla green with lobes spreading or reflexed; corona white with outer lobes connected and erect. Fruit a pair of slender, pointed follicles.
Notes: This species is somewhat similar to Sarcostemma viminale, particularly the riverine twining form. That species has larger flowers on longer pedicels with petals not reflexed and a very different corona.
Derivation of specific name: gerrardii: named after William Tyler Gerrard (c.1831-1866), British botanical collector in Natal, Madagascar and Australia.
Habitat: In dry woodland and scrub, on rocky outcrops, in sandy or clayey depressions, often in slightly disturbed sites.
Altitude range: (metres) Up to 1500 m
Flowering time:Sep - Apr
Worldwide distribution: Eritrea, Ethiopia, Somalia, Kenya, Tanzania, Uganda, DRC, Zambia, Zimbabwe, Mozambique, Mpumalanga, KwaZulu-Natal, Eastern Cape South Africa, Comoros and Madagascar. Also in Saudi Arabia and Yemen.on rocky outcrops, in sandy or clayey depressions, often i
Zimbabwe distribution: N,W,S
Growth form(s): Climber.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Monday 3 August 2009
Literature:

Bandeira, S., Bolnick, D. & Barbosa, F. (2007). Wild Flowers of Southern Mozambique Universidade Eduardo Mondlane, Maputo, Mozambique Page 116. (Includes a picture).

Bruyns, P.V. (2014). The Apocynaceae of Namibia Strelitzia 34 SANBI, Pretoria, South Africa Pages 42 - 43.

Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 25.

Drummond, R.B. (1975). A list of trees, shrubs and woody climbers indigenous or naturalised in Rhodesia. Kirkia 10(1) Page 270. As Cynanchum tetrapterum

Goyder, G.J. & Liede-Schumann, S. (2008). Notes on Cynanchum and Pentarrhinum (Apocynaceae: Asclepiadoideae) in Tropical Africa Kew Bulletin 63(3) Pages 465 - 466.

Liede, S. (1996). A revision of Cynanchum in Africa Annals of the Missouri Botanical Garden 83 Pages 314 - 316.

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 20.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 24.


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Other sources of information about Cynanchum gerrardii:

Our websites:

Flora of Caprivi: Cynanchum gerrardii
Flora of Mozambique: Cynanchum gerrardii
Flora of Zambia: Cynanchum gerrardii

External websites:

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


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: Cynanchum gerrardii.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=145980, retrieved 18 October 2017

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