8751.000 Vernonia Schreb.

CYANTHILLIUM Blume

GYMNANTHEMUM Cass.

HILLIARDIELLA H. Rob.

LINZIA Sch. Bip. ex Walp.

ORBIVESTUS H. Rob.

POLYDORA Fenzl

VERNONIASTRUM H. Rob.

Herman, P.P.J. & Swelankomo, N. (2011) Vernonia (Tribe Vernonieae) and related genera in Southern Africa: updates and corrections Bothalia 41(1) 176-178

Wild, H. (1978) The Compositae of the Flora Zambesiaca area. 8. Vernonieae (Vernonia). Kirkia 11(1) 31-127

Description of the genus

Annual or perennial herbs (often with annual stems from woody rootstocks), small to large shrubs, woody scramblers or small trees. Leaves alternate, simple. Capitula homogamous, discoid; florets normally bisexual and fertile. Phyllaries free in 2-many series, imbricate. Corolla various shades of purple, blue, or creamy-white, regularly 5-lobed. Pappus 2-seriate with an outer short whorl of scales or setae and an inner whorl of longer setae.

Derivation of name: Named after William Vernon, English botanist of the late 17th century.

Worldwide: c. 1,000 species in warm and tropical regions of the Old World and America

Botswana: 15 taxa.

The larvae of the following species of insect eat species of this genus:
Basiotha schenckii (Brown-striped hawk)
No image yet

Links to taxa:     View: living plant images - herbarium specimen images - all images for this genus

SpeciesFZ divisionsContent
amygdalina DelileNDescription, Image
anthelmintica (L.) Willd.NDescription, Image
cinerascens Sch. Bip.SEDescription, Image
colorata (Willd.) Drake subsp. colorata NDescription, Image
fastigiata Oliv. & HiernN,SW,SE
galpinii KlattSEDescription, Image
gerberiformis Oliv. & Hiern subsp. macrocyanus (O.Hoffm.) C.Jeffrey Description, Image
glabra (Steetz) Vatke var. glabra SEDescription, Image
glabra (Steetz) Vatke var. laxa (Steetz) BrenanNDescription, Image
melleri Oliv. & Hiern var. melleri NDescription, Image
oligocephala (DC.) Sch. Bip. ex Walp.SEDescription, Image
petersii Oliv. & Hiern ex Oliv.NDescription, Image
poskeana Vatke & Hildebrandt subsp. botswanica G.V. Pope
rosenii R.E. Fr.NDescription, Image
steetziana Oliv. & Hiern

Other sources of information about Vernonia:

Our websites:

Flora of Caprivi: Vernonia
Flora of Caprivi: cultivated Vernonia
Flora of Malawi: Vernonia
Flora of Mozambique: Vernonia
Flora of Zambia: Vernonia
Flora of Zimbabwe: Vernonia

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Botswana: Genus page: Vernonia.
https://www.botswanaflora.com/speciesdata/genus.php?genus_id=1464, retrieved 15 June 2024

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