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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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Slash pine

Pinus elliottii

Common name:

Slash pine

Scientific name:

Pinus elliottii (Pinaceae)

Alternative common names:

Basden (Afrikaans)

Coniferous tree 15-30m high with dark green, open crown of modest spread, free of branches to a considerable height. Dark green leaf needles in bundles of two or three, coarse and stiff and crowded at ends of branchlets. This tree produces yellowish to pale brown cones 6-14cm long

Additional Info

  • Where does this species come from?

    North America

    What is its invasive status in South Africa?

    Existing legislation: CARA 2002 – Category 2 Proposed legislation: NEMBA – Category 2

    Where in South Africa is it a problem?

    Mpumalanga Province

    How does it spread?

    Seed dispersal from the cones

    Why is it a problem?

    Competes with and replaces indigenous species. Dense stands can reduce water runoff and stream flow from mountain catchments, reduce grazing, and pose a fire hazard which threatens the survival of indigenous animal and plant species

    What does it look like?

    General description: Coniferous tree 15-30 m high, with a dark green, open crown of modest spread, free of branches to a considerable height. Leaves: Needles, dark green; in bundles of two or three, coarse and stiff and crowded at ends of branchlets. Flowers: None Fruit/Seeds: Produces cones that are yellowish-brown in colour, 60-140 mm long; cone scales end in a blunt, grey prickle 1-2mm long

    Does the plant have any uses?

    Planted as a commercial forestry tree and used for timber

    Plant me instead alternatives

    Yellowwoods (Podocarpua falcatus, Podocapus latifolius)

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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