Dioscorea sansibarensis Pax
Selected images: Click on each image to see a larger version and details of the record View all images (7)
Photo: Bart Wursten
Nyaodza River bridge (northern end), Matiti Pool, near Kariba
Photo: Bart Wursten
Nyaodza River bridge (northern end), Matiti Pool, near Kariba
Photo: Bart Wursten
Nyaodza River bridge (northern end), Matiti Pool, near Kariba
Photo: Bart Wursten
Long Pool picnic view point, Mana Pools National Park
Photo: Bart Wursten
At main office, Mana Pools National Park.
Photo: Bart Wursten
At main office, Mana Pools National Park.
Photo: Bart Wursten
At main office, Mana Pools National Park.
Species details: Click on each item to see an explanation of that item (Note: opens a new window)
Synonyms:
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Dioscorea macroura Harms Dioscorea welwitschii Rendle
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Common names:
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Frequency:
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Status:
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Native |
Description:
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Robust climber with annual stems up to 30 m long, growing from a large perennial tuber, up to 50 cm in diameter. Stems left-twining, hairless, usually unarmed; bulbils, up to 5.5 cm in diameter, often present in the axils. Leaves normally opposite. Mature leaves broadly heart-shaped up to 20 cm long including a long apical point, up to 6.3 cm long; hairless; margin entire, inrolled and thickened. Immature leaves much smaller and thinner, with 3-9 more or less deep lobes, particularly towards the base. Petiole 8-12(25) cm long, with a pair of fleshy oblong lateral nodal flanges, often almost entirely replacing the leaves near the base of older stems. Inflorescences in lax pendent, axillary spikes. Capsule up to 5 × 2.8 cm, blue-green, especially when young. |
Notes:
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Derivation of specific name:
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sansibarensis: of Zanzibar; although the type specimen was in fact found near Bagamoyo, Tanzania, across from Zanzibar on the mainland. |
Habitat:
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Altitude range: |
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Flowering time: | Feb - Apr |
Worldwide distribution:
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Widespread in Subsaharan Africa and Madagascar. |
Malawi distribution:
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N,C,S |
Growth form(s):
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Endemic status:
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Red data list status:
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Insects associated with this species:
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Spot characters:
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Display spot characters for this species |
Literature:
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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 90.
Milne-Redhead, E. (1975). Dioscoreaceae Flora of Tropical East Africa Pages 7 - 9. (Includes a picture).
White, F., Dowsett-Lemaire, F. & Chapman, J.D. (2001). Evergreen forest flora of Malawi Royal Botanic Gardens, Kew Page 97. (Includes a picture).
Wilkin, P. (2009). Dioscoreaceae Flora Zambesiaca 12(2) Pages 133 - 134.
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Other sources of information about Dioscorea sansibarensis:
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Flora of Mozambique:
Dioscorea sansibarensisFlora of Zambia:
Dioscorea sansibarensisFlora of Zimbabwe:
Dioscorea sansibarensisExternal websites:
African Plants: A Photo Guide (Senckenberg):
Dioscorea sansibarensisAfrican Plant Database:
Dioscorea sansibarensisBHL (Biodiversity Heritage Library):
Dioscorea sansibarensisEOL (Encyclopedia of Life):
Dioscorea sansibarensisePIC (electronic Plant Information Center):
Dioscorea sansibarensisFlora Zambesiaca web site:
Dioscorea sansibarensisGBIF (Global Biodiversity Information Facility):
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ScholarGRIN (Germplasm Resources Information Network):
Dioscorea sansibarensisiNaturalist:
Dioscorea sansibarensisIPNI (International Plant Names Index):
Dioscorea sansibarensisJSTOR Plant Science:
Dioscorea sansibarensisKew Herbarium catalogue:
Dioscorea sansibarensisKew Monocotyledon checklist:
Dioscorea sansibarensisMansfeld World Database of Agricultural and Horticultural Crops:
Dioscorea sansibarensisPlants of the World Online:
Dioscorea sansibarensisTropicos:
Dioscorea sansibarensisWikipedia:
Dioscorea sansibarensis
Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-23
Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M.
(2023).
Flora of Malawi: Species information: Dioscorea sansibarensis. https://www.malawiflora.com/speciesdata/species.php?species_id=115440, retrieved 24 March 2023
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