Sida urens L.

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Common names:
Perennial herb up to c. 60 cm tall, branching from the base. Stems and branches covered with stiff hairs both appressed and spreading. Leaves ovate, up to 7 × 4 cm, usually with a long drawn-out pointed apex and a distinctly cordate base, covered with more or less stiff appressed hairs on both surfaces; margin regularly serrate; petiole almost a long as the leaf blade, covered with stiff appressed and spreading hairs. Flowers in axillary clusters. Calyx 5-7 mm long, angular, with stiff appressed and spreading hairs, lobed to just beyond the middle; lobes triangular with a bristle-like tip; petals c. 9 mm long, more or less notched, pale yellow to buff, sometimes reddish in the centre. Mericarps 5, c. 2.5 mm long, shortly beaked.
Type location:
Derivation of specific name:
Altitude range:
Flowering time:
Worldwide distribution: Widespread throughout the tropics and subtropics.
Zambian distribution (Flora Zambesiaca):
Zambian distribution (Provinces): Nw,N
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Exell, A.W. (1961). Malvaceae Flora Zambesiaca 1(2) Pages 476 - 477.

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.

Other sources of information about Sida urens :

Our websites:

Flora of Mozambique: Sida urens
Flora of Zimbabwe: Sida urens

External websites:

African Plants: A Photo Guide (Senckenberg): Sida urens
African Plant Database: Sida urens
BHL (Biodiversity Heritage Library): Sida urens
EOL (Encyclopedia of Life): Sida urens
ePIC (electronic Plant Information Center): Sida urens
Flora Zambesiaca web site: Sida urens
GBIF (Global Biodiversity Information Facility): Sida urens
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Sida urens
iNaturalist: Sida urens
IPNI (International Plant Names Index): Sida urens
JSTOR Plant Science: Sida urens
Kew Herbarium catalogue: Sida urens
Mansfeld World Database of Agricultural and Horticultural Crops: Sida urens
Plants of the World Online: Sida urens
Tropicos: Sida urens
Wikipedia: Sida urens

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-23

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2023). Flora of Zambia: Species information: Sida urens ., retrieved 2 February 2023

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