Vernonia glabra (Steetz) Vatke
var. laxa (Steetz) Brenan

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Photo: Bart Wursten
Island 1, Katombora, Zambezi

Photo: Mike Bingham

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Synonyms:	Linzia gerberiformis (Oliv. & Hiern) H. Rob. Linzia glabra Steetz var. laxa (Steetz) Brenan
Common names:
Frequency:
Status:	Native
Description:	This variety can be distinguished from var. glabra by the more lax inflorescences, longer peduncles, and shorter phyllaries. It is a generally less robust plant.
Notes:
Derivation of specific name:	glabra: hairless; laxa: open, loose, lax
Habitat:	Found at lower altitudes, growing in sandy or heavy clay alluvial soils on flood plains.
Flowering time:
Worldwide distribution:
Botswana distribution:	N
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Literature:	Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 37. (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 29. Pope, G.V. (1992). Compositae Flora Zambesiaca 6(1) Pages 88 - 91. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 39. 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 201. as Vernonia glabra

Other sources of information about Vernonia glabra var. laxa:

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Flora of Caprivi: Vernonia glabra var. laxa
Flora of Malawi: Vernonia glabra var. laxa
Flora of Mozambique: Vernonia glabra var. laxa
Flora of Zambia: Vernonia glabra var. laxa
Flora of Zimbabwe: Vernonia glabra var. laxa

External websites:

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