Merremia tridentata (L.) Hall. f.
subsp. angustifolia (Jacq.) van Ooststr.

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Merremia tridentata subsp. angustifolia

Photo: Bart Wursten
Malilangwe

Merremia tridentata subsp. angustifolia

Photo: Bart Wursten
Borrowdale Common, Harare

Merremia tridentata subsp. angustifolia

Photo: Bart Wursten
Borrowdale Common, Harare

Merremia tridentata subsp. angustifolia

Photo: Petra Ballings
c. 6 km from Gokwe along Gokwe - Kwekwe road.

Merremia tridentata subsp. angustifolia

Photo: Petra Ballings
c. 6 km from Gokwe along Gokwe - Kwekwe road.

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

Synonyms: Ipomoea angustifolia Jacq.
Xenostegia tridentata (L.) D.F. Austin & Staples subsp. angustifolia (Jacq.) van Ooststr
Common names:
Frequency: Common
Status: Native
Description:
Perennial herb with annual prostrate or twining stems up to 2 m. The leaves are linear to narrowly lanceolate with small toothed lobes at the base. The flowers are 15-20 mm in diameter, lemon yellow, sometimes with some red in the centre. They grow singly from the leaf axils.
Notes: See subsp. alatipes for comparison. Subsp. angustifolia is often still divided into two varieties. but these are here not distinguished.
Derivation of specific name: - tridentata: with three teeth;
- angustifolia; with narrow leaves.
Habitat: A species of open woodland, grassland, roadsides,disturbed and cultivated land.
Altitude range: (metres) Up to 1550 m
Flowering time:Nov - Mar
Worldwide distribution: Tropical and southern Africa, tropical Asia and Australia
Zimbabwe distribution: N,W,C,E,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 15 February 2016
Literature:

Bandeira, S., Bolnick, D. & Barbosa, F. (2007). Wild Flowers of Southern Mozambique Universidade Eduardo Mondlane, Maputo, Mozambique Page 173. As Merremia tridentata angustifolia angustifolia (Includes a picture).

Baumann, G. (2005). Photographic Guide to Wildflowers of Malawi Wildlife and Environmental Society of Malawi Pages 114 - 115. as Merremia tridentata (Includes a picture).

Gonçalves, M.L. (1987). Convolvulaceae Flora Zambesiaca 8(1) Pages 35 - 36. Still divided into two varieties: angustifolia and pubescens

Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 235. (Includes a picture).

Kirby, G. (2013). Wild Flowers of Southeast Botswana Struik Nature, Cape Town South Africa Page 159. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 51.

Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 205. As Merremia tridentata angustifolia


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Other sources of information about Merremia tridentata subsp. angustifolia:

Our websites:

Flora of Botswana: Merremia tridentata subsp. angustifolia
Flora of Caprivi: Merremia tridentata subsp. angustifolia
Flora of Malawi: Merremia tridentata subsp. angustifolia
Flora of Mozambique: Merremia tridentata subsp. angustifolia
Flora of Zambia: Merremia tridentata subsp. angustifolia

External websites:

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


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: Merremia tridentata subsp. angustifolia.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=147420, retrieved 2 July 2016

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