Invasive alien species in SA

Collection by Evelyn Jell

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Purple morning glory | Ipomoea indica - Remove from garden. It forms dense perennial growth that overtops and smothers other species. CARA 2002 – Category 1 in Limpopo, KZN, Mpumalanga, and Category 2 rest of South Africa Proposed legislation: NEMBA – Category 1b  Source: invasives.org.za

Invasive Species South Africa - Protecting Biodiversity from Invasion - Morning glory | Ipomoea indica

herbaceous twining perennial,Bright green, sparsely hairy, heart-shaped leaves,Purplish-blue, reddish, magenta or white funnel-shaped flowers

Creeping inch plant | Callisia repens - re-appears in summer. NEMBA Category 1b.

Creeping inch plant | Callisia repens - re-appears in summer. NEMBA Category 1b.

Inkberry | Cestrum laevigatum - need to learn to recognise this one. It is a habitat transformer and competes against indigenous plants. The whole plant is poisonous. CARA Category 1; NEMBA Category 1b.

Invasive Species South Africa - Protecting Biodiversity from Invasion - Inkberry | Cestrum laevigatum

Inkberry is an evergreen shrub or tree growing 1-2m high

Inkberry | Cestrum laevigatum - need to learn to recognise this one. It is a habitat transformer and competes against indigenous plants. The whole plant is poisonous. CARA Category 1; NEMBA Category 1b.

Invasive Species South Africa - Protecting Biodiversity from Invasion - Inkberry | Cestrum laevigatum

Inkberry is an evergreen shrub or tree growing 1-2m high

Bugweed | Solanum mauritianum

Invasive Species South Africa - Protecting Biodiversity from Invasion - Bugweed | Solanum mauritianum

A shrub or small tree up to 4m high covered with whitish-felty hairs. Dull green leaves that are velvety above and white-felty beneath which emit a strong smell when bruised. Purple flowers in compact, terminal clusters on densely felty stalks up to 10cm long all year round. Spherical berries which start off green and turn yellow, in compact terminal clusters. Hairy leaves and stems are a respiratory tract and skin irritant. Unripe fruits are poisonous

Triffid weed | Chromolaena odorata - constantly removing. CARA 2002 – Category 1 NEMBA – Category 1b.

Invasive Species South Africa - Protecting Biodiversity from Invasion - Triffid weed | Chromolaena odorata

Scrambling, sparsely hairy shrub up to 4m or higher, often forming dense thickets with wide-spreading branches.

Indian shot | Canna indica - gradually removing, though it keeps re-appearing. It competes with and replaces indigenous species. Existing legislation: CARA 2002 – Category 1 Proposed legislation: NEMBA – Category 1b

Invasive Species South Africa - Protecting Biodiversity from Invasion - Indian shot | Canna indica

A perennial shrub with erect, leafy shoots 1-2m high. Large green or purple-bronze leaves sheathing the stem.

How to properly remove MADEIRA VINE (Anredera cordifolia) PITTWATER ECOWARRIORS 3 - YouTube

REMOVE MADEIRA VINE (Anredera cordifolia) PITTWATER ECOWARRIORS 3

Madeira Vine (Anredera cordifolia) is a foreign invader destroying Australian bush. The aerial tubers must not be disturbed. This film shows how to properl...

Common name:  Knotweed    Scientific name: Persicaria capitata  Alternative common names: Japanese knotweed, persicaria, pinkhead knotweed and pinkhead smartweed.  Knotweed is a mat-like, perennial, herbaceous plant with a slender, woody rootstock and long, creeping, rooting stems. It is found growing on roadsides, dry banks, slopes and in open areas, preferring full sun. It negatively impacts on the environment by forming a dense carpet, replacing most indigenous vegetation.

Invasive Species South Africa - Protecting Biodiversity from Invasion - Knotweed | Persicaria capitata

Knotweed is a mat-like, perennial, herbaceous plant with a slender, woody rootstock

Mexican ageratum | Ageratum houstonianum - Competes with and has the potential to replace indigenous species. Existing legislation: CARA 2002 – Category 1 Proposed legislation: NEMBA – Category 1b.

Invasive Species South Africa - Protecting Biodiversity from Invasion - Mexican ageratum | Ageratum houstonianum

Green, purplish or reddish stems 30cm-1m high. It has bright green, soft, hairy, slightly aromatic leaves and fluffy mauve, blue, pinkish and white flowers appear all year around.

Californian privet | Ligustrum ovalifolium

Invasive Species South Africa - Protecting Biodiversity from Invasion - Californian privet | Ligustrum ovalifolium

Deciduous or semi-evergreen shrub 3-6m high. Mid to dark green leaves, sometimes variegated, or yellow.

Chinese privet | Ligustrum sinense

Invasive Species South Africa - Protecting Biodiversity from Invasion - Chinese privet | Ligustrum sinense

A deciduous or semi-evergreen shrub growing to 3-6m high with dense, glossy foliage.

Moth catcher | Araujia serifera

Invasive Species South Africa - Protecting Biodiversity from Invasion - Moth catcher | Araujia sericifera

A vigorous climber with milky sap growing to 5m or higher.

Black wattle | Acacia mearnsii

Invasive Species South Africa - Protecting Biodiversity from Invasion - Black wattle | Acacia mearnsii

An evergreen tree growing 5-10m high, black wattle has dark olive-green finely hairy leaves.

Japanese wax-leaved privet | Ligustrum japonicum

Invasive Species South Africa - Protecting Biodiversity from Invasion - Japanese wax-leaved privet | Ligustrum japonicum

evergreen shrub or small tree,Dark, almost black-green, thick, leathery, glossy leaves,