Rorippa madagascariensis DC.) Hara

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Rorippa madagascariensis

Picture: Bart Wursten
Along road no. 11, Gorongosa National park

Rorippa madagascariensis

Picture: Bart Wursten
Along road no. 11, Gorongosa National park

Rorippa madagascariensis

Picture: Bart Wursten
Along road no. 11, Gorongosa National park

Rorippa madagascariensis

Picture: Bart Wursten
Along road no. 11, Gorongosa National park

Rorippa madagascariensis

Picture: Bart Wursten
Along road no. 11, Gorongosa National park

Rorippa madagascariensis

Picture: Bart Wursten
Along road no. 11, Gorongosa National park

Rorippa madagascariensis

Picture: Bart Wursten
Along road no. 11, Gorongosa 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: Nasturium humifusum Guill. & Perr.
Nasturtium madagascariense DC.
Rorippa humifusa (Guill. & Perr.) Hiern
Common names:
Frequency:
Status: Native
Description:
Almost stemless herb. Leaves numerous, forming a rosette, pinnate or pinnatipartite, up to 16 cm long, rhachis winged, leaflets irregularly suborbicular to broadly ovate, crenate or sometimes deeply divided. Flowers white, with pedicels 1–1.5 mm long, in decumbent racemes up to 10 cm long in the axils of the basal leaves. Petals, less than 1 mm. long. Stamens 6. Fruit 6–10 mm long, hairless, style persistent.
Type location:
Madagascar
Notes: In Flora Zambesiaca volume 1 part 1 (1960) the treatment of the genus Rorippa contains two species called, R. madagascariensis and R. humifusa. Both key out quite differently and also show very distinct differences in the descriptions. Under current taxonomy R. humifusa is considered a synonym of R. madagascariensis. This seems odd since the species in FZ are so clearly different. A third name, R. micrantha, which is absent from FZ altogether is now accepted and sometimes R. madagascariensis is now listed as a synonym of this species again. The confusion seems complete but I believe the reason is a wrong use of the name R. madagascariensis in FZ. The taxon described under that name is in fact R. micrantha and the taxon described as R. humifusa is the true R. madagascariensis with R. humifusa as its synonym.
Derivation of specific name: madagascariensis: of Madagascar.
Habitat: On damp sandy soils on riverbanks and at the margins of pans.
Altitude range:
Flowering time:
Worldwide distribution: Fairly widespread in tropical Africa and in Madagascar.
Zambian distribution (Flora Zambesiaca): S
Zambian distribution (Provinces):
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: Wednesday 17 October 2018
Literature:

Exell, A.W. (1960). Brassicaceae Flora Zambesiaca 1(1) Page 185. As Rorippa humifusa

Other sources of information about Rorippa madagascariensis:

Our websites:

Flora of Mozambique: Rorippa madagascariensis

External websites:

African Plants: A Photo Guide (Senckenberg): Rorippa madagascariensis
Biodiversity Explorer (Biodiversity of southern Africa): Rorippa madagascariensis
BHL (Biodiversity Heritage Library): Rorippa madagascariensis
EOL (Encyclopedia of Life): Rorippa madagascariensis
ePIC (electronic Plant Information Center): Rorippa madagascariensis
Flora Zambesiaca web site: Rorippa madagascariensis
GBIF (Global Biodiversity Information Facility): Rorippa madagascariensis
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Rorippa madagascariensis
IPNI (International Plant Names Index): Rorippa madagascariensis
Ispot Southern Africa: Rorippa madagascariensis
JSTOR Plant Science: Rorippa madagascariensis
Kew Herbarium catalogue: Rorippa madagascariensis
Mansfeld World Database of Agricultural and Horticultural Crops: Rorippa madagascariensis
The Plant List (version 1.1): Rorippa madagascariensis
Tropicos: Rorippa madagascariensis


Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-18

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2018). Flora of Zambia: Species information: Rorippa madagascariensis.
https://www.zambiaflora.com/speciesdata/species.php?species_id=230870, retrieved 10 December 2018

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