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Sida acuta
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Photo: Bart Wursten
Thazima Gate, Nyika National Park
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| Synonyms: |
Sida carpinifolia sensu Mast. |
| Common names: | Common wireweed (English) |
| Frequency: | |
| 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: | Up to 1500 m |
| Flowering time: | |
| Worldwide distribution: | Pantropical. Also in Namibia and Mpumalanga, KwaZulu-Natal, South Africa. |
| Malawi distribution: | N,C,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: | Wednesday 20 June 2012 |
| Literature: |
Baumann, G. (2005). Photographic Guide to Wildflowers of Malawi Wildlife and Environmental Society of Malawi Pages 96 - 97. (Includes a picture). Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 51. As Sida acuta acuta 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 Flora Zambesiaca 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. Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 119. |
Other sources of information about Sida acuta:
Our websites:
Flora of Burundi: Sida acutaFlora of Mozambique: Sida acuta
Flora of Zambia: Sida acuta
Flora of Zimbabwe: Sida acuta
External websites:
African Plants: A Photo Guide (Senckenberg): Sida acutaAfrican Plant Database: Sida acuta
BHL (Biodiversity Heritage Library): Sida acuta
EOL (Encyclopedia of Life): Sida acuta
GBIF (Global Biodiversity Information Facility): Sida acuta
Google: Web - Images - Scholar
iNaturalist: Sida acuta
IPNI (International Plant Names Index): Sida acuta
JSTOR Plant Science: Sida acuta
Mansfeld World Database of Agricultural and Horticultural Crops: Sida acuta
Plants of the World Online: Sida acuta
Tropicos: Sida acuta
Wikipedia: Sida acuta
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