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Synonyms: |
Mirasolia diversifolia Hemsl. |
Common names: | Mexican sunflower (English) |
Frequency: | Occasional |
Status: | Introduced |
Description: |
Annual or perennial herb or shrub to 3 m. Leaves alternate; petiole up to 7 cm; lamina narrowly ovate to obovate, usually deeply 3-5-lobed (rarely entire), scabrid; base cuneate; apex acuminate; margin crenate, crenate-serrate or entire. Peduncles 1 cm in diameter below capitulum. Phyllaries in c.4 series. Rays up to 6 cm, yellow. Pappus of short, 2 mm, scales, connate below, with 2 longer setae. |
Notes: | |
Derivation of specific name: | diversifolia: variable-leaved |
Habitat: | A weed of roadsides and waste places, much less common in Zimbabwe than Tithonia rotundifolia. |
Altitude range: (metres) | 870 - 1560 m |
Flowering time: | |
Worldwide distribution: | Native to eastern Mexico and Central America. |
Zimbabwe distribution: | C,E |
Growth form(s): | |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Literature: |
Baumann, G. (2005). Photographic Guide to Wildflowers of Malawi Wildlife and Environmental Society of Malawi Pages 170 - 171. (Includes a picture). Beentje, H.J. & Ghazanfar, S.A. (eds.) (2005). Compositae (Part 3) Flora of Tropical East Africa Pages 760 - 761. (Includes a picture). Drummond, R.B. (1975). A list of trees, shrubs and woody climbers indigenous or naturalised in Rhodesia. Kirkia 10(1) Page 278. 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 28. Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 59. Wild, H. (1967). The Compositae of the Flora Zambesiaca area. 1. Heliantheae. Kirkia 6(1) Page 56. |
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