Orbea schweinfurthii (A. Berger) Bruyns

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Orbea schweinfurthii

Photo: Lewis Walter
Banks of Zambezi River, about 10 km downstream from bridge at Chirundu.

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Synonyms: Angolluma schweinfurthii (A. Berger) Plowes
Caralluma schweinfurthii A. Berger
Pachycymbium schweinfurthii (A. Berger) M.G. Gilbert
Common names:
Frequency: Locally frequent
Status: Native
Description:
Small succulent with trailing prostrate to ascending stems, forming loose mats up to c. 1 m in diameter. Stems slender, up to 15 cm long, branching, green to reddish, mottled with purple-brown; tubercles widely spaced, 3-25 mm long ending in a conical tooth, arranged more or less into 4 rows along the stems. Inflorescences 1-4 around the apex of each stem Flowers 1-3(-8), developing in succession, sweetly scented. Sepals up to 3 mm long, ovate-lanceolate. Corolla 1-1.5 cm in diameter, densely papillate, pale grey green with maroon spots towards base outside, deep yellow with dark maroon spots inside; lobes c. 3.5 × 3 mm, spreading, ovate-deltate, reflexed at the tip. Corona c. 2 mm tall, 7 mm in diameter, pale yellow to cream speckled with purple; outer lobes horizontally spreading and fused to form a pentagonal disc-like structure; inner lobes c. 0.5 mm long, deltate, usually with 1-4 short apical teeth
Notes: Easily distinguished by the trailing, mat-forming habit and the very small flowers.
Derivation of specific name: schweinfurthii: named after Dr Georg August Schweinfurth (1836-1925), german botanical collector and taxonomist.
Habitat: In mopane woodland under small bushes, sometimes in sandy soils but often in muddy or loamy areas near scattered pools of standing water.
Altitude range: (metres) 450 - 1300 m
Flowering time:
Worldwide distribution: Botswana, Malawi, Namibia, Rwanda, Tanzania, Uganda, Zaire, Zambia, Zimbabwe.
Zimbabwe distribution: N,W
Growth form(s):
Endemic status:
Red data list status: Lower Risk - least concern
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Thursday 31 July 2014
Literature:

Bruyns, P.V. (2002). Monograph of Orbea and Ballyanthus (Apocynaceae-Asclepiadoideae-Ceropegieae) Systematic Botany Monographs 63 Pages 33 - 37. (Includes a picture).

Bruyns, P.V. (2014). The Apocynaceae of Namibia Strelitzia 34 SANBI, Pretoria, South Africa Page 121.

Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 116. (Includes a picture).

Plowes, D.C.H. (1993). The taxonomy of the Genera Pachycymbium Leach and Angolluma Munster (Stapelieae: Asclepiadaceae) Excelsa 16 Page 118. as Angolluma schweinfurthii (Includes a picture).


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Other sources of information about Orbea schweinfurthii:

Our websites:

Flora of Botswana: Orbea schweinfurthii
Flora of Caprivi: Orbea schweinfurthii
Flora of Malawi: Orbea schweinfurthii
Flora of Zambia: Orbea schweinfurthii

External websites:

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


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: Orbea schweinfurthii.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=146740, retrieved 12 December 2017

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