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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Invasive Species South Africa - Protecting Biodiversity from Invasion - Displaying items by tag: terrestrial

A coniferous tree growing up to 15m high, conical in shape with a short trunk when young and rounded to oblong with a crooked trunk when older. Crown open with silvery-grey bark becoming darker. Grey-green to yellow-green leaf needles in bundles of two 4-8cm long. It invades grasslands and fynbos, particularly on dry soils

Published in Invasive Plants

Apple of Peru is an annual shrub growing to 1m tall. It has spreading branches (the plant spreads to 1m wide) and the mid-green, toothed, wavy leaves are egg-shaped with the broad end at the base (ovate). The upward-facing flowers are most commonly pale blue and white, but there are also forms with violet or white flowers. The flowers are bell-shaped and 5cm or more across. Cherry-like, green-brown berries are encased within green or black mottled calyces. The mature fruits can resemble a lantern. The plant usually germinates in late spring or early summer. 

Published in Invasive Plants

A large, evergreen tree 18-30m high with a straight trunk and moderately spreading crown. Leaves are dark green above and greyish-white or rusty-silk beneath and have a fern-like profile. Golden-orange flowers in terminal, bottle-brush-like sprays from September to November. Brownish-black, leathery fruits contain up to two winged seeds

Published in Invasive Plants

Balloon vine is a perennial, slightly woody climber with tendrils 2-5m or higher, often draping itself over trees. The stems are usually covered with bristly hairs. Bright green leaves are strongly serrated and sometimes hairy. White or yellow, fragrant flowers on compact heads appear from October to January. Membranous, inflated fruit capsules about 60mm long which are green turning brown

Published in Invasive Plants

A tall evergreen tree up to 40m high with arching, slender branches. Leaves have minute scales in whorls and are very much pine-like. The male flowers appear as yellowish spikes and female flowers in reddish heads from September to April and this tree produces small brown woody cones about 20mm long

Published in Invasive Plants
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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