Macroptilium atropurpureum (Moç. & Sessé ex DC.) Urb.

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Macroptilium atropurpureum

Photo: Bart Wursten
Nyanga to Mutare Rd nr Grange Rd turnoff

Macroptilium atropurpureum

Photo: Bart Wursten
Nyanga to Mutare Rd nr Grange Rd turnoff

Macroptilium atropurpureum

Photo: Bart Wursten
Nyanga to Mutare Rd nr Grange Rd turnoff

Macroptilium atropurpureum

Photo: Bart Wursten
Goldenstairs Road, Thornpark Estate

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Synonyms: Phaseolus atropurpureus DC.
Common names: Siratro (English)
Frequency: Local
Status: Introduced
Description:
Creeping perennial, ± densely hairy. Leaflets ± broadly ovate or rhombic, 1.5-5 × 1.5-5 cm, the laterals often lobed on the outer side. Inflorescences lax, long-pedunculate, erect. Corolla 17-20 mm; wings blackish-purple. Pod 6-9 × 0.4 cm, densely appressed-pubescent, c.12-15-seeded.
Notes: Introduced for pasture improvement and now a well-naturalised but not very common escape. Fairly frequent on roadside verges in Harare and occasionally seen elsewhere.

In general appearance the species has greyish leaves, erect peduncles and looks generally like a very dark, almost black-flowered Vigna.

The record (3814) by Bart Wursten and Mark Hyde from near Mutare is the first for the Eastern Division and the record (69720) by Malcolm Bethune from Bulawayo is the first for the Western Division.
Derivation of specific name: atropurpureum: dark purple
Habitat: In disturbed places, most often on roadside verges.
Altitude range: (metres) 490 - 1570 m
Flowering time:Sep - Dec
Worldwide distribution: Native of tropical America.
Zimbabwe distribution: N,W,C,E
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: Saturday 22 October 2005
Literature:

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Other sources of information about Macroptilium atropurpureum:

Our websites:

Flora of Malawi: cultivated Macroptilium atropurpureum
Flora of Mozambique: Macroptilium atropurpureum
Flora of Zambia: cultivated Macroptilium atropurpureum
Flora of Zimbabwe: cultivated Macroptilium atropurpureum

External websites:

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


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: Macroptilium atropurpureum.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=132170, retrieved 29 May 2016

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