Rhigozum obovatum Burch.

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Rhigozum obovatum

Photo: Bart Wursten
National Botanic Garden, Harare

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Synonyms:
Common names: Three-leaved rhigozum (English)
Frequency:
Status: Native
Description:
Shrub or multi-stemmed small tree up to c. 4 m tall. Branches rigid greyish, armed with short spines. Leaves in clusters on small woolly spurs, usually 3-foliolate; leaflets obovate-oblong, 4-19 mm long, grey-green; apex rounded to notched; margin entire, rolled under. Flowers appearing with the leaves, showy, bright yellow, up to 3.5 cm in diameter, petals wrinkled along the edges, in 1-3-flowered clusters among the leaves. Fruit a flattened slender capsule, up to 7 × 1 cm, pale brown with a sharply pointed tip, dehiscent.
Notes:
Derivation of specific name: obovatum: with obovate leaves
Habitat: In dry rocky areas, often on basalt soils or granite sands.
Altitude range: (metres) 150 - 1400 m
Flowering time:Sep - Nov (and at other times following sudden rain)
Worldwide distribution: Namibia, Zimbabwe, Northern and Eastern Cape, Free State and Limpopo, South Africa.
Zimbabwe distribution: W,E,S
Growth form(s): Tree, shrub over 2 m.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Saturday 31 January 2009
Literature:

Diniz, M.A. (1988). Bignoniaceae Flora Zambesiaca 8(3) Page 68.

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 30.

Plowes, D.C.H. & Drummond, R.B. (1990). Wild Flowers of Zimbabwe. Revised edition. Longman, Zimbabwe. No. 118, plates 158 & 159


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Other sources of information about Rhigozum obovatum:

External websites:

African Plant Database: Rhigozum obovatum
Biodiversity Explorer (Biodiversity of southern Africa): Rhigozum obovatum
EOL (Encyclopedia of Life): Rhigozum obovatum
ePIC (electronic Plant Information Center): Rhigozum obovatum
Flora Zambesiaca web site: Rhigozum obovatum
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Rhigozum obovatum
IPNI (International Plant Names Index): Rhigozum obovatum
Ispot Southern Africa : Rhigozum obovatum
JSTOR Plant Science: Rhigozum obovatum
Kew Herbarium catalogue: Rhigozum obovatum
Tropicos: Rhigozum obovatum
West African Plants database: Rhigozum obovatum


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Species information: Rhigozum obovatum.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=152360, retrieved 5 December 2016

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