Oxygonum delagoense Kuntze

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

Photo: Gareth Dicker
Shumba area, Hwange National Park

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Synonyms:	Oxygonum junodii De Wild.
Common names:
Frequency:
Status:	Native
Description:	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.
Notes:
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:	20 - 1200 m
Flowering time:
Worldwide distribution:	Botswana, Namibia, Tanzania, Mozambique, Zambia, Zimbabwe and South Africa.
Mozambique distribution:	N,GI,M
Growth form:
Endemic status:
Red data list status:
Insects (whose larvae eat this species):
Spot characters:	Display spot characters for this species
Content last updated:	Monday 23 January 2012
Literature:	Nogueira, I., Ortiz, S. & Paiva, J.A.R. (2006). Polygonaceae FZ 9(3) Page 34.

Other sources of information about Oxygonum delagoense:

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