Oxygonum delagoense Kuntze

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Oxygonum delagoense

Picture: Bart Wursten
Matetsi road, just outside Nantwich Gate, Hwange National Park.

Oxygonum delagoense

Picture: Bart Wursten
Matetsi road, just outside Nantwich Gate, Hwange National Park.

Oxygonum delagoense

Picture: Bart Wursten
Matetsi road, just outside Nantwich Gate, Hwange National Park.

Oxygonum delagoense

Picture: Gareth Dicker
Shumba area, Hwange National Park

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

Synonyms: Oxygonum junodii De Wild.
Common names:
Status: Native
Erect or ascending, annual or short-lived perennial herb. Stems up to 1 m tall, longitudinally striate, hairless or slightly velvety. Leaves narrowly elliptic-lanceolate or linear-lanceolate, 2-8 cm long, hairless or finely velvety, mucronate at the apex, with or without 1-3 pairs of more or less distinct lobes on the margin. Flowers in 2-4(6)-flowered clusters in the axils of bracts, together forming slender terminal racemes up to 30 cm long. Corolla white, greenish or pale pink, densely pubescent on the outside of the tube. Some male flowers usually present; styles of the long-styled flowers 3-3.5 mm long; styles of the short-styled flowers 1-3.5 mm long. Fruit a 3-sided more or less conical nut, 5-6 mm long, usually with 3 small, sometimes minute, teeth or protuberances at the angles a little above the base.
Type location:
Derivation of specific name: delagoense: of Delagoa Bay in Mozambique, where the type specimen was found.
Habitat: Open grassland, often in sandy soils near water.
Altitude range: Up to 1200 m
Flowering time:
Worldwide distribution: Botswana, Namibia, Tanzania, Mozambique, Zambia, Zimbabwe and South Africa.
Zambian distribution (Flora Zambesiaca): S
Zambian distribution (Provinces): S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Monday 23 January 2012

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 42.

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 68.

Nogueira, I., Ortiz, S. & Paiva, J.A.R. (2006). Polygonaceae Flora Zambesiaca 9(3) Page 34.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 93.

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 221.

Other sources of information about Oxygonum delagoense:

Our websites:

Flora of Botswana: Oxygonum delagoense
Flora of Caprivi: Oxygonum delagoense
Flora of Mozambique: Oxygonum delagoense
Flora of Zimbabwe: Oxygonum delagoense

External websites:

African Plants: A Photo Guide (Senckenberg): Oxygonum delagoense
African Plant Database: Oxygonum delagoense
BHL (Biodiversity Heritage Library): Oxygonum delagoense
EOL (Encyclopedia of Life): Oxygonum delagoense
GBIF (Global Biodiversity Information Facility): Oxygonum delagoense
Google: Web - Images - Scholar
iNaturalist: Oxygonum delagoense
IPNI (International Plant Names Index): Oxygonum delagoense
JSTOR Plant Science: Oxygonum delagoense
Mansfeld World Database of Agricultural and Horticultural Crops: Oxygonum delagoense
Plants of the World Online: Oxygonum delagoense
Tropicos: Oxygonum delagoense
Wikipedia: Oxygonum delagoense

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-23

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2023). Flora of Zambia: Species information: Oxygonum delagoense.
https://www.zambiaflora.com/speciesdata/species.php?species_id=121890, retrieved 4 October 2023

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