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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

In order to tackle our country’s socio-economic challenges, the government adopted the Outcomes based approach to improve government performance and providing focus on service delivery. find out more

Invasive Species South Africa - Protecting Biodiversity from Invasion - Invasive Plants

Invasive Plants

Butterfly orchid tree

Bauhinia purpurea

The butterfly orchid tree grows up to 6-10m high. Leaves are thick, deeply divided into two lobes and 100mm long. Flowers are colourful in shades of blotched pink to red striped, as well as cream or purple. They are 80-100mm wide with narrow, non-overlapping petals and three fertile stamens. The fruits consist of green elongated pods which turn dark brown. 

Cabomba caroliniana

Cabomba

Cabomba caroliniana is a rooted perennial aquatic plant, which grows submerged with branching stems reaching 2m or longer. It has feathery green leaves, which are divided into narrow segments. 

Californian privet

Ligustrum ovalifolium

Deciduous or semi-evergreen shrub 3-6m high. Mid to dark green leaves, sometimes variegated, or yellow. The shoots and leaves are smooth and white, heavily scented flowers appear in terminal clusters from October to February followed by tiny black berries. The leaves and fruit are poisonous to humans and certain animals.

Camel thorn bush

Alhagi maurorum

The camel thorn bush is a deciduous shrub that flowers in July. It reaches up to 2m in height. The flowers are hermaphroditic (have both male and female parts). It prefers dry soil and full sun. It is unpalatable to animals and a pest when it invades forage and grazing land.

Camphor tree

Cinnamomum camphora

This tree is an evergreen tree growing 10-26m high with a dense canopy. It has smooth bark which is green becoming rough, scaly and brownish-grey. Trunk becomes massive and spreading at its base. The leaves reddish when young turning glossy bright green above and blue-grey beneath and three-veined from the base. Tiny yellowish or greenish-white flowers appear from September to November

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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