Rumex usambarensis
Selected images: Click on each image to see a larger version and details of the record View all images (7)
Photo: Bart Wursten
Along road between Kaperekeza turn-off and Thazima Gate, Nyika National Park
Photo: Bart Wursten
Along road between Kaperekeza turn-off and Thazima Gate, Nyika National Park
Photo: Bart Wursten
Along road between Kaperekeza turn-off and Thazima Gate, Nyika National Park
Photo: Bart Wursten
Along road between Kaperekeza turn-off and Thazima Gate, Nyika National Park
Photo: Bart Wursten
Along road between Kaperekeza turn-off and Thazima Gate, Nyika National Park
Photo: Bart Wursten
Along road between Kaperekeza turn-off and Thazima Gate, Nyika National Park
Photo: 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: | This species is not listed in Burrows & Willis, 2005 (SABONET Report no. 31) |
| 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: (metres) | 800 - 2215 m |
| Flowering time: | |
| Worldwide distribution: | DR Congo, Burundi, Rwanda, Uganda, Kenya, Tanzania, Malawi and Zambia. |
| FZ divisions: | N |
| Growth form(s): | |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Images last updated: | Tuesday 28 August 2018 |
| Literature: |
Nogueira, I., Ortiz, S. & Paiva, J.A.R. (2006). Polygonaceae Flora Zambesiaca 9(3) Page 42. Ntore, S. & al. (2024). Checklist of the vascular plants of Burundi Page 213. Troupin, G. (1978). Polygonaceae Flore du Rwanda Spermatophytes Volume I Pages 197 - 199. (Includes a picture). |
Other sources of information about Rumex usambarensis:
Our websites:
Flora of Burundi: Rumex usambarensisFlora of the DRC: Rumex usambarensis
Flora of Rwanda: Rumex usambarensis
Flora of Zambia: Rumex usambarensis
Flora of Zimbabwe: Rumex usambarensis
Flora of Zimbabwe: cultivated Rumex usambarensis
External websites:
African Plants: A Photo Guide (Senckenberg): Rumex usambarensisAfrican Plant Database: Rumex usambarensis
BHL (Biodiversity Heritage Library): Rumex usambarensis
EOL (Encyclopedia of Life): Rumex usambarensis
GBIF (Global Biodiversity Information Facility): Rumex usambarensis
Google: Web - Images - Scholar
iNaturalist: Rumex usambarensis
IPNI (International Plant Names Index): Rumex usambarensis
JSTOR Plant Science: Rumex usambarensis
Mansfeld World Database of Agricultural and Horticultural Crops: Rumex usambarensis
Plants of the World Online: Rumex usambarensis
Tropicos: Rumex usambarensis
Wikipedia: Rumex usambarensis