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Sigesbeckia orientalis
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Photo: Bart Wursten
Cloudlands, Vumba.
Photo: Bart Wursten
Cloudlands, Vumba.
Photo: Bart Wursten
Cloudlands, Vumba.
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| Synonyms: |
Minyranthes heterophylla Turcz. Sigesbeckia caspica Fisch. & C.A.Mey. Sigesbeckia gracilis DC. Sigesbeckia humilis Koidz. Sigesbeckia iberica Willd. |
| Common names: | Eastern St Paul's-wort (English) |
| Frequency: | |
| Status: | Native |
| Description: |
Erect, annual herb up to 1 m high.Leaves opposite, narrowly to broadly ovate, up to 17 cm long, thinly textured, pubescent on both surfaces and with minute gland-dots beneath, leaf base running down the petiole; margin coarsely and irregularly serrate-crenate; petiole up to 10 cm long, pubescent. Inflorescence a lax leafy panicle,up to 30 cm in diameter with ultimate branches slender. up to 1 cm long. Capitula c. 1 cm in diameter; involucral bracts 3-5, linear-spathulate, 3-7 mm long, covered with sticky glands and simple hairs. Florets yellow; ray-florets with a limb c. 1.3 mm long, spreading, 3-fid. Achenes obovoid-oblong, c. 2.7 mm long,curved, more or less 4-sided, blackish, glandular puberulent. |
| Notes: | |
| Derivation of specific name: | orientalis: oriental, eastern |
| Habitat: | Along forest margins and as a weed of cultivation in high rainfall areas. |
| Altitude range: | |
| Flowering time: | |
| Worldwide distribution: | Widespread in old World tropics and subtropics. |
| Malawi distribution: | N,S |
| Growth form(s): | |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Content last updated: | Friday 29 September 2017 |
| Literature: |
Beentje, H.J. & Ghazanfar, S.A. (eds.) (2005). Compositae (Part 3) Flora of Tropical East Africa Pages 777 - 778. (Includes a picture). 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. 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. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 33. Wild, H. (1967). The Compositae of the Flora Zambesiaca area. 1. Heliantheae. Kirkia 6(1) Pages 36 - 37. |
Other sources of information about Sigesbeckia orientalis:
Our websites:
Flora of Burundi: Sigesbeckia orientalisFlora of Mozambique: Sigesbeckia orientalis
Flora of Zambia: Sigesbeckia orientalis
Flora of Zimbabwe: Sigesbeckia orientalis
External websites:
African Plants: A Photo Guide (Senckenberg): Sigesbeckia orientalisAfrican Plant Database: Sigesbeckia orientalis
BHL (Biodiversity Heritage Library): Sigesbeckia orientalis
EOL (Encyclopedia of Life): Sigesbeckia orientalis
GBIF (Global Biodiversity Information Facility): Sigesbeckia orientalis
Google: Web - Images - Scholar
iNaturalist: Sigesbeckia orientalis
IPNI (International Plant Names Index): Sigesbeckia orientalis
JSTOR Plant Science: Sigesbeckia orientalis
Mansfeld World Database of Agricultural and Horticultural Crops: Sigesbeckia orientalis
Plants of the World Online: Sigesbeckia orientalis
Tropicos: Sigesbeckia orientalis
Wikipedia: Sigesbeckia orientalis
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