Laggera decurrens (Vahl) Hepper & J.R.I. Wood

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Photo: Bart Wursten
Osborne Dam Recreational Park

Photo: Mark Hyde
Road by racecourse on eastern side

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Synonyms:	Blumea decurrens (Vahl) Merxm. Blumea gariepina DC.
Common names:
Frequency:
Status:	Native
Description:	Bushy annual aromatic herb, up to 2 m tall, most parts covered in silky, silvery-grey hairs. Leaves narrowly oblong, up to 30 × 5 mm, base decurrent, running into the stem as narrow, entire wings. Capitula in branched large terminal inflorescences; involucral bracts numerous in 4 series. Florets yellow or whitish.
Notes:
Derivation of specific name:	decurrens: decurrent, running down (e.g. leaf bases running down the stem as wings)
Habitat:	In grassland and open woodland, often as a pioneer of old cultivation or disturbed areas, such as mine dumps.
Altitude range:
Flowering time:	May - Sep
Worldwide distribution:	Widespread in tropical Africa and South Africa.
Mozambique distribution:
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Literature:	Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 23. Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 217. (Includes a picture). 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 Blumea crispata Pickering, H. & Roe, E. (2009). Wild Flowers of the Victoria Falls Area Helen Pickering, London Page 34. (Includes a picture). Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 31. as Blumea decurrens Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 198. As Blumea decurrens Wild, H. (1968-9). The Compositae of the Flora Zambesiaca area. 2. Inuleae (in part). Kirkia 7(1) Pages 129 - 130. as Blumea gariepina

Other sources of information about Laggera decurrens:

Our websites:

Flora of Botswana: Laggera decurrens
Flora of Caprivi: Laggera decurrens
Flora of Zambia: Laggera decurrens
Flora of Zimbabwe: Laggera decurrens

External websites:

African Plants: A Photo Guide (Senckenberg): Laggera decurrens
African Plant Database: Laggera decurrens
BHL (Biodiversity Heritage Library): Laggera decurrens
EOL (Encyclopedia of Life): Laggera decurrens
GBIF (Global Biodiversity Information Facility): Laggera decurrens
Google: Web - Images - Scholar
iNaturalist: Laggera decurrens
IPNI (International Plant Names Index): Laggera decurrens
JSTOR Plant Science: Laggera decurrens
Mansfeld World Database of Agricultural and Horticultural Crops: Laggera decurrens
Plants of the World Online: Laggera decurrens
Tropicos: Laggera decurrens
Wikipedia: Laggera decurrens