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

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Merremia tridentata subsp. angustifolia

Picture: Bart Wursten
Patrick's island, Katombora Islands, Zambezi

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Synonyms: Ipomoea angustifolia Jacq.
Xenostegia tridentata (L.) D.F. Austin & Staples subsp. angustifolia (Jacq.) Lejoly & Lisowski
Common names:
Frequency:
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.
Type location:
Notes:
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: Up to 1550 m
Flowering time:Nov - Mar
Worldwide distribution: Tropical and southern Africa, tropical Asia and Australia
Zambian distribution (Flora Zambesiaca): B,N,W,C,E,S
Zambian distribution (Provinces): W
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
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).

Chapano, C., Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 37.

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).

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 37.

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

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 Zimbabwe: Merremia tridentata subsp. angustifolia

External websites:

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


Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-19

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2019). Flora of Zambia: Species information: Merremia tridentata subsp. angustifolia.
https://www.zambiaflora.com/speciesdata/species.php?species_id=147420, retrieved 21 September 2019

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