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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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Pom pom weed

Campuloclinium macrocephalum

Common name:

Pom pom weed

Scientific name:

Campuloclinium macrocephalum (Asteraceae)

Alternative common names:

Pompom bossie (Afrikaans)

The pom pom weed is an erect perennial with green stems up to 1,3m high. It dies back annually to a root crown. Pink flowerheads surrounded by purple bracts in compact heads appear from December to March. This plant is native to Central and South America.

Additional Info

  • Where does this species come from?

    Central & South America (Mexico to Argentina)

    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?

    Grassland regions of Gauteng, Kwazulu-Natal, Limpopo, Mpumalanga and the Eastern Cape Provinces

    How does it spread?

    It spreads easily by seed, and it can also regenerate from underground rhizomes

    Why is it a problem?

    It causes serious degradation of the veld, lowering the biodiversity and reducing the grazing capacity by being unpalatable to large herbivores

    What does it look like?

    General description: A tall erect perennial herb with pink fluffy flowerheads and leaves concentrated on the base of the plant. Bark: Green to purple covered with rough bristly hairs. Leaves: Light green with serrated margins and lance-shaped, becoming small and more distant upwards. Flowers: Pink and are produced in dense clusters at the end of aerial stems, flower-head consists of hundreds of tiny, star shaped florets surrounded by purple bracts. Flowers in late summer during December-March. Fruit/Seeds: Brown, one-seeded achenes.

    Does the plant have any uses?

    Introduced for ornamental purposes but now a noxious weed

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General News Updates

2019 National Symposium on Biological Invasio…


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


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


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?


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


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


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