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German wasp | Vespula germanica

German wasp

Vespula germanica

Coral bush | Ardisia crenata

Coral bush

Ardisia crenata

Purple loosestrife | Lythrum salicaria

Purple loosestrife

Lythrum salicaria

Pom pom weed | Campuloclinium macrocephalum

Pom pom weed

Campuloclinium macrocephalum

Canarybird bush | Crotalaria agatiflora

Canarybird bush

Crotalaria agatiflora

Peanut butter cassia | Senna didymobotrya

Peanut butter cassia

Senna didymobotrya

Rubber vine | Cryptostegia grandiflora

Rubber vine

Cryptostegia grandiflora

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Environmental Programmes

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Wild tobacco

Nicotiana glauca

Common name:

Wild tobacco

Scientific name:

Nicotiana glauca (Solanaceae)

Alternative common names:

Coneton; Mexican tobacco; mustard tree; tree tobacco (English); Jan-tak; tabakboom; wildetabak; volstruisgifboom (Afrikaans), mohlafotha (Sesotho), tabaka bume (Setswana) 

An evergreen shrub or small tree growing up to 6m high with blue-green, leathery leaves, sometimes with purplish tints. Yellow, tubular flowers appear in terminal, drooping clusters all year. Brown, four-valved fruit capsules contain tiny seeds. This plant is poisonous.

Additional Info

  • Where does this species come from?

    South America

    What is its invasive status in South Africa?

    Existing legislation: CARA 2002 – Category 1 NEMBA – Category 1b

    Where in South Africa is it a problem?

    All provinces of South Africa

    How does it spread?

    Seed dispersal.

    Why is it a problem?

    Competes with pioneering indigenous species. Can form dense and extensive stands along watercourses after flooding; this is of particular concern in conservation areas such as the Kruger National Park. Unpalatable and poisonous to domestic and wild animals.

    What does it look like?

    General description: Evergreen shrub or small tree growing up to 6m high. Leaves: Blue-green, leathery leaves sometimes with purplish tints and smooth margins. Flowers: Yellow, tubular flowers in terminal, drooping clusters appear throughout the year. Fruit/seeds: Brown, four-valved fruit capsules with tiny seeds

    Does the plant have any uses?

    Garden ornament.

    Plant me instead alternatives

    N. james brittennia, N. grandiflora

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General News Updates

2019 National Symposium on Biological Invasio…

26-02-2019

This is your invitation to South Africa's 2019 National Symposium on Biological Invasions. The convention is hosted by the Centre for Invasion Biology (CIB), University of Stellenbosch, and the Biolo... Read more

2019 Invasive Species Training

22-01-2019

During the past five years (2014-2018), ISSA invasive species trainers have trained 4 000 in the identification of invasive species and laws pertaining to invasive species across South Africa.  ... Read more

Alien Grass Working Group

04-09-2018

Who are we? The South African National Alien Grass Working Group was jointly initiated by the South African Biodiversity Institute (SANBI) and the Centre for Excellence in Invasion Biology (C·I·B) in... Read more

Permits for planting indigenous Cynodon?

01-03-2018

On 16 February, 2018, South Africa's Department of Environmental Affairs issued amendments to the regulations and lists relating to the National List of Invasive Species.  Updates to the draft&n... Read more

Invasive species training 2018 dates released

28-02-2018

Interested in invasive species?  How much do you know about NEMBA invasive species compliance for landowners and organs of state? The South African Green Industries Council (SAGIC) have released... Read more

Communications post for Africa advertised

25-01-2018

The Nature Conservancy has advertised a brand new post:  Communications Manager, Africa Region. Knowledge of invasive species and water would be an asset in this post. See details below:    Job Titl... Read more