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Synonyms: |
Chrysanthellum americanum auct. Hinterhubera kotschyi Sch. Bip. ex Hochst. |
Common names: | |
Frequency: | |
Status: | Native |
Description: |
More or less erect hairless annual herb, up to c.35 cm tall. Leaves alternate, ovate in outline, up to 5 × 4 cm but mostly smaller, pinnatifid with segments often lobed linear. Capitula in a lax terminal inflorescence, each hemispheric, up to 1 cm in diameter on peduncles up to 6 cm long. Ray-florets yellow to orange-yellow with a ligule c.2.5 mm long; disk-florets orange,c. 1.8 mm long. Achenes,oblong-cylindric, up to 5 mm long, more or less 3-angled. |
Notes: | Though originally thought to be an introduced cosmopolitan weed, it is now likely that at least this subspecies is native to Africa. |
Derivation of specific name: | indicum: of India |
Habitat: | In damp situations, along roadsides, overgrazed grassland and sometimes as a garden weed. |
Altitude range: (metres) | |
Flowering time: | |
Worldwide distribution: | In Asia and tropical Africa. |
Zimbabwe distribution: | W,C |
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: | Wednesday 1 February 2017 |
Literature: |
Beentje, H.J. & Ghazanfar, S.A. (eds.) (2005). Compositae (Part 3) Flora of Tropical East Africa Pages 810 - 811. (Includes a picture). Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 8. As Chrysanthellum americanum 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 146. As Chrysanthellum americanum 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 24. as Chrysanthellum indicum Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 29. Wild, H. (1967). The Compositae of the Flora Zambesiaca area. 1. Heliantheae. Kirkia 6(1) Pages 34 - 35. as Chrysanthellum americanum |
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