Rumex usambarensis (Engl. ex Dammer) Dammer

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Rumex usambarensis

Picture: Bart Wursten
Along road between Kaperekeza turn-off and Thazima Gate, Nyika National Park

Rumex usambarensis

Picture: Bart Wursten
Along road between Kaperekeza turn-off and Thazima Gate, Nyika National Park

Rumex usambarensis

Picture: Bart Wursten
Along road between Kaperekeza turn-off and Thazima Gate, Nyika National Park

Rumex usambarensis

Picture: Bart Wursten
Along road between Kaperekeza turn-off and Thazima Gate, Nyika National Park

Rumex usambarensis

Picture: Bart Wursten
Along road between Kaperekeza turn-off and Thazima Gate, Nyika National Park

Rumex usambarensis

Picture: Bart Wursten
Along road between Kaperekeza turn-off and Thazima Gate, Nyika National Park

Rumex usambarensis

Picture: Bart Wursten
Along road between Kaperekeza turn-off and Thazima Gate, Nyika 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: Rumex maderensis sensu J.G. Baker & C.H. Wright non Lowe
Rumex nervosus Vahl var. usambarensis Engl. ex Dammer
Rumex trinervius Rech. f.
Common names:
Frequency:
Status: Native
Description:
A straggling, sometimes climbing shrub with stems up to 3 m or more tall. Leaves often clustered, narrowly to broadly elliptic, 3.5-9 cm long, hastate at the base and narrowed above the basal lobes, distinctly 3-veined, hairless; petiole 1-4 cm long. Ocrea 1-1.5 cm long, membranous, entire,falling early. Flowers arranged in 2-6-flowered whorls on pedicels 2-5 mm long; whorls together forming leafless terminal panicles. Outer perianth segments brownish; inner segments red to reddish-brown; stamens 6. Fruit 2-2.5 mm long, trigonous,shiny brown.
Type location:
Tanzania
Notes:
Derivation of specific name: usambarensis: of the Usambara Mountains, Tanzania
Habitat: In moist shady places in high rainfall grassland, sometimes along roadsides and in disturbed ground.
Altitude range: 800 - 1900 m
Flowering time:
Worldwide distribution: DRC, Uganda, Kenya, Tanzania, Malawi and Zambia.
Zambian distribution (Flora Zambesiaca): N
Zambian distribution (Provinces): N,Mc
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: Tuesday 28 August 2018
Literature:

Nogueira, I., Ortiz, S. & Paiva, J.A.R. (2006). Polygonaceae Flora Zambesiaca 9(3) Page 42.

Other sources of information about Rumex usambarensis:

Our websites:

Flora of Malawi: Rumex usambarensis
Flora of Zimbabwe: cultivated Rumex usambarensis

External websites:

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


Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-20

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2020). Flora of Zambia: Species information: Rumex usambarensis.
https://www.zambiaflora.com/speciesdata/species.php?species_id=165660, retrieved 21 September 2020

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