Oxalis corniculata L.

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Oxalis corniculata

Photo: Bart Wursten
Umunthu Camp, Mzuzu

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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: Introduced
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: A weed of disturbed places, especially in gardens and lawns.
Altitude range: Up to 2300 m
Flowering time:All year
Worldwide distribution: Cosmopolitan weed
Malawi distribution: N,C,S
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
Content last updated: Sunday 30 September 2018
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).

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 Mozambique: 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
ePIC (electronic Plant Information Center): Oxalis corniculata
Flora Zambesiaca web site: Oxalis corniculata
GBIF (Global Biodiversity Information Facility): Oxalis corniculata
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Oxalis corniculata
iNaturalist: Oxalis corniculata
IPNI (International Plant Names Index): Oxalis corniculata
JSTOR Plant Science: Oxalis corniculata
Kew Herbarium catalogue: Oxalis corniculata
Mansfeld World Database of Agricultural and Horticultural Crops: Oxalis corniculata
Plants of the World Online: Oxalis corniculata
The Plant List (version 1.1): Oxalis corniculata
Tropicos: Oxalis corniculata
Wikipedia: Oxalis corniculata


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-20

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2020). Flora of Malawi: Species information: Oxalis corniculata.
https://www.malawiflora.com/speciesdata/species.php?species_id=132800, retrieved 28 February 2020

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