Sida acuta Burm.f.

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Sida acuta

Photo: Bart Wursten
By the lodges, Lake Kyle Recreational Park

Sida acuta

Photo: Bart Wursten
By the lodges, Lake Kyle Recreational Park

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Synonyms: Sida carpinifolia sensu Mast.
Common names: Common wireweed (English) Isinama (Ndebele)
Frequency: Common
Status: Native
Description:
Erect branched suffrutex up to c. 1 m tall, rarely taller. Stems green, mostly hairless to stellate-hairy, particularly on younger parts. Leaves more or less narrowly lanceolate, 2-6(10) cm long; apex acute; base obtuse to rounded, hairless to sparsely stellate-hairy; margin regularly serrate; petiole c. 2.5 mm, pubescent. Stipules linear, usually longer than the petiole. Flowers axillary, solitary or 2 together. Calyx 6-8 mm long, somewhat angular, saucer-shaped, hairless, lobed to the middle; petals as long as calyx, yellow. Mericarps 5-6, c. 4 mm long, birostrate, grooved between the awns.
Notes: This species is fairly easily distinguished from others in this genus by the narrowly lanceolate, acute leaves, which are often held in one plane on younger branches.
Derivation of specific name: acuta: pointed, acute, referring to the leaf shape.
Habitat: In disturbed areas, along roadsides and as a weed of cultivation.
Altitude range: (metres) Up to 1500 m
Flowering time:
Worldwide distribution: Pantropical. Also in Namibia and Mpumalanga, KwaZulu-Natal, South Africa.
Zimbabwe distribution: N,C,E,S
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: Friday 30 March 2012
Literature:

Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 84.

Exell, A.W. (1961). Malvaceae FZ 1(2) Pages 477 - 479.

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 61.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 75.


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Other sources of information about Sida acuta:

Our websites:

Flora of Mozambique: Sida acuta
Flora of Zambia: Sida acuta

External websites:

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


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-14

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2014). Flora of Zimbabwe: Species information: Sida acuta.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=139040, retrieved 20 August 2014

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