Tithonia rotundifolia (Mill.) S.F. Blake

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Tithonia rotundifolia

Photo: Bart Wursten
Domboshawa Rd, Chinamora CL

Tithonia rotundifolia

Photo: Bart Wursten
Domboshawa Rd, Chinamora CL

Tithonia rotundifolia

Photo: Mark Hyde
Rydal Court, Ruwa

Tithonia rotundifolia

Photo: Mark Hyde
Greystone Park Nature Reserve

Tithonia rotundifolia

Photo: Mark Hyde
Greystone Park Nature Reserve

Tithonia rotundifolia

Photo: Mark Hyde
Greystone Park Nature Reserve

Tithonia rotundifolia

Photo: Mark Hyde
Mavhuradonha Wilderness Eco-Lodge

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

Synonyms: Tagetes rotundifolia Mill.
Common names: Mexican sunflower (English) Red sunflower (English)
Frequency: Common
Status: Introduced
Description:
Annual herb, up to 2(-3) m, stem often purplish. Leaves alternate; petiole 2-7 cm; lamina broadly ovate, entire or the lower 3-lobed, scabrid; base cordate; apex acuminate; margin crenate or serrate. Peduncles 1.5 cm in diameter below capitulum. Phyllaries in 2 series. Rays 2-4 cm, orange-red. Pappus of short (c.1.5 mm) free scales and 2 longer setae.
Notes:
Derivation of specific name: rotundifolia: round-leaved
Habitat: A weed of roadsides and disturbed ground, often forming large colonies of tall, stout plants in damp, shady places.
Altitude range: (metres) 400 - 1580 m
Flowering time:Dec - Jun
Worldwide distribution: Native to Central 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: Tuesday 29 September 2015
Literature:

Baumann, G. (2005). Photographic Guide to Wildflowers of Malawi Wildlife and Environmental Society of Malawi Pages 170 - 171. (Includes a picture).

Pickering, H. & Roe, E. (2009). Wild Flowers of the Victoria Falls Area Helen Pickering, London Page 40. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 38.


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Other sources of information about Tithonia rotundifolia:

Our websites:

Flora of Botswana: Tithonia rotundifolia
Flora of Malawi: Tithonia rotundifolia
Flora of Mozambique: Tithonia rotundifolia
Flora of Zambia: Tithonia rotundifolia

External websites:

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


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: Tithonia rotundifolia.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=160470, retrieved 29 June 2016

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