Oxalis corniculata L.

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Photo: Bart Wursten
Ndundu Lodge, Vumba

Photo: Bart Wursten
Old cottages at Katiyo Tea Estate

Photo: Bart Wursten
Aberfoyle, Honde Valley

Photo: Bart Wursten
Near Chalet 2, Chirinda Forest

Photo: Bart Wursten
Near entrance to Zona Tea Estates

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

Synonyms:	Oxalis corniculata L. var. corniculata Oxalis corniculata L. var. radicosa (A. Rich.) Roti Mich. Oxalis radicosa A. Rich.
Common names:	Jimson weed (English) Yellow sorrel (English)
Frequency:
Status:
Description:	Annual herb, without bulbs. Stems procumbent or ascending, less often erect, often rooting at the nodes, with spreading hairs. Leaflets: lamina 3-15 × 5-20 mm, obcordate-cuneate, pubescent; apex deeply emarginate. Flowers yellow, in 1-6-flowered bracteate pseudumbels. Petals 8-10 mm. Capsule exserted, cylindric, ± 5-angled.
Notes:
Derivation of specific name:	corniculata: with a small horn-like appendage
Habitat:
Altitude range:
Flowering time:	All year
Worldwide distribution:	Cosmopolitan weed
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:	Zizeeria knysna (Food plant) Zizula hylax (Food plant)
Spot characters:	Display spot characters for this species
Literature:	Baumann, G. (2005). Photographic Guide to Wildflowers of Malawi Wildlife and Environmental Society of Malawi Pages 60 - 61. (Includes a picture). Bromilow, C. (2010). Problem Plants and Alien Weeds of South Africa Briza Publications, South Africa Pages 338 - 339. (Includes a picture). Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 223. Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 41. As Oxalis corniculata corniculata and O. corniculata radicosa Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 27. As Oxalis corniculata corniculata Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 156. Exell, A.W. (1963). Oxalidaceae Flora Zambesiaca 2(1) Pages 150 - 151. Exell, A.W. & Gonçalves, M.L. (1969). 35. Oxalidaceae Flora de Moçambique Junta de Investigaçoes de Ultramar, Centro de Botanica Page 3. Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 302. (Includes a picture). Kabuye, C.H.S. (1971). Oxalidaceae Flora of Tropical East Africa Pages 3 - 5. (Includes a picture). Kirby, G. (2013). Wild Flowers of Southeast Botswana Struik Nature, Cape Town South Africa Page 211. (Includes a picture). Lambinon, J. (1983). Oxalidaceae Flore du Rwanda Spermatophytes Volume II Page 172. also as O. radicosa (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 65. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 83. Pickering, H. & Roe, E. (2009). Wild Flowers of the Victoria Falls Area Helen Pickering, London Page 89. (Includes a picture). Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 91. Wild, H. (1955). Common Rhodesian Weeds Government of Rhodesia, Salisbury Page 34. (Includes a picture).

Other sources of information about Oxalis corniculata:

Our websites:

Flora of Botswana: Oxalis corniculata
Flora of Caprivi: Oxalis corniculata
Flora of the DRC: Oxalis corniculata
Flora of Malawi: Oxalis corniculata
Flora of Mozambique: Oxalis corniculata
Flora of Rwanda: Oxalis corniculata
Flora of Zambia: Oxalis corniculata
Flora of Zimbabwe: Oxalis corniculata
Flora of Zimbabwe: cultivated Oxalis corniculata

External websites:

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