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Synonyms: |
Conyza amplexicaulis Baker Conyza attenuata DC. Conyza persicifolia (Benth.) Oliv. & Hiern Conyza serratifolia Baker Erigeron persicifolius Benth. Eschenbachia persicifolia (Benth.) Exell |
Common names: | |
Frequency: | Occasional |
Status: | Native |
Description: |
Erect annual or biennial herb to 3 m. Stems branched, the branches and the inflorescence branches glabrous. Leaves c. 5-22 cm long, narrowly elliptic to narrowly lanceolate; apex attenuate. Inflorescence a large terminal panicle. Capitula c. 4 mm long, numerous. Phyllaries in 3-4 rows, the inner longest, narrowly lanceolate, glabrous. Ray florets numerous, the corolla narrowly cylindric, fimbriate at apex. Disk florets fewer, yellow. Achenes of ray florets c. 0.8 mm long, narrowly obovate, flattened, ± 2-ribbed, minutely tuberculate; those of the disk florets narrowly oblong, 2-4-ribbed and not tuberculate. |
Notes: | |
Derivation of specific name: | attenuata: tapering to a slender point. |
Habitat: | In moist places; by streams and rivers, in riverine or submontane habitats; also in disturbed ground. |
Altitude range: (metres) | |
Flowering time: | |
Worldwide distribution: | Widely distributed in tropical Africa from Sierra Leone to the DRC, Ethiopia. Zambia, Malawi, Mozambique, Zimbabwe and South Africa. Also in Madagascar. |
Zimbabwe distribution: | N,W,C,E,S |
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: | Saturday 18 May 2013 |
Literature: |
Beentje, H.J. (ed.) (2002). Compositae (Part 2) Flora of Tropical East Africa Page 493. Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 10. 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 30. as Conyza attenuata 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. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 29. as Conyza attenuata Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 52. Wild, H. (1975). The Compositae of the Flora Zambesiaca area. 4. Astereae. Kirkia 10(1) Pages 48 - 50. |
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