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.

Wild, H. (1967). The Compositae of the Flora Zambesiaca area. 1. Heliantheae. Kirkia 6(1) Pages 55 - 56.


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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 4 December 2016

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