Oxygonum sinuatum (Hochst. & Steud. ex Meisn.) Dammer

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Domboshawa

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Guvulala Pan, Hwange NP

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Maleme Dam area

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Near western boundary, Zambezi National Park.

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Inhamitanga Forest Reserve, Cheringoma

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Fuel Station, Rumphi.

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Synonyms:	Ceratogonum sinuatum Hochst. & Steud. ex Meisn.
Common names:
Frequency:
Status:	Native
Description:	More or less erect branched annual herb, with ribbed stems up to 1 m tall, usually smaller. Leaves ovate-elliptic to elliptic-lanceolate in outline, up to 8 × 3 cm, usually with 3 unequally deep lobes on each side. Flowers in 2-5-flowered clusters in the axils of bracts, together appearing as spike-like terminal or axillary inflorescences, 25-40 cm long. Corolla 4-5-lobed, 6-8 mm in diameter, white or pinkish. Fruit an erect or spreading, trigonous nut, 5-7 mm long, with 3 prickles in the middle of the angles, pubescent.
Type location:	Ethiopia
Notes:
Derivation of specific name:	sinuatum: sinuate, wavy-edged
Habitat:	In woodland, along streambanks, and roadsides, often in disturbed and sandy soils.
Altitude range:	450 - 1600 m
Flowering time:
Worldwide distribution:	From Sudan and Ethiopia to Namibia and South Africa. Also in DRC and Angola.
Zambian distribution (Flora Zambesiaca):	B,N,W,C,E,S
Zambian distribution (Provinces):	Cb,N,E,C,Lk,S,W
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Literature:	Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 27. Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 415. (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 68. Nogueira, I., Ortiz, S. & Paiva, J.A.R. (2006). Polygonaceae Flora Zambesiaca 9(3) Pages 30 - 32. (Includes a picture). Pickering, H. & Roe, E. (2009). Wild Flowers of the Victoria Falls Area Helen Pickering, London Page 98. (Includes a picture). Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 93.

Other sources of information about Oxygonum sinuatum:

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Flora of Botswana: Oxygonum sinuatum
Flora of Caprivi: Oxygonum sinuatum
Flora of Caprivi: cultivated Oxygonum sinuatum
Flora of Malawi: Oxygonum sinuatum
Flora of Mozambique: Oxygonum sinuatum
Flora of Zimbabwe: Oxygonum sinuatum

External websites:

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