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Declared weeds and invader plants in South Africa >

Woody plants that are declared weeds or invaders in South Africa

There are about 121 woody plant species in southern Africa that are declared invaders in South Africa.

 

Species Type Cate-gory  

Acacia baileyana (Bailey’s wattle)

Family: Fabaceae > Mimosoideae > Acacia

Invader 3  

Acacia cyclops (Rooikrans, Red eye)

Family: Fabaceae > Mimosoideae > Acacia

Invader 2  

Acacia dealbata (Silver wattle)

Family: Fabaceae > Mimosoideae > Acacia

Classified as a Category 1 invader in the Western Cape and a Category 2 invader in the rest of South Africa.

Weed 1-2  

Acacia decurrens (Green wattle)

Family: Fabaceae > Mimosoideae > Acacia

Invader 2  

Acacia elata (Pepper tree wattle)

Family: Fabaceae > Mimosoideae > Acacia

Referred to incorrectly as Acacia terminalis in South Africa.

Invader 3  

Acacia implexa (Screw-pod wattle)

Family: Fabaceae > Mimosoideae > Acacia

Weed 1  

Acacia longifolia (Long-leaved wattle)

Family: Fabaceae > Mimosoideae > Acacia

Weed 1  

Acacia mearnsii (Black wattle)

Family: Fabaceae > Mimosoideae > Acacia

Invader 2  

Acacia melanoxylon (Australian blackwood)

Family: Fabaceae > Mimosoideae > Acacia

Invader 2  

Acacia paradoxa (Kangaroo wattle)

Family: Fabaceae > Mimosoideae > Acacia

Weed 1  

Acacia podalyriifolia (Pearl acacia, Vaalmimosa)

Family: Fabaceae > Mimosoideae > Acacia

Invader 3  

Acacia pycnantha (Golden wattle)

Family: Fabaceae > Mimosoideae > Acacia

Weed 1  

Acacia saligna (Port Jackson, Port Jackson willow)

Family: Fabaceae > Mimosoideae > Acacia

Invader 2  

Ailanthus altissima (Tree-of-heaven, Hemelboom)

Classification: Simaroubaceae

Invader 3  

Albizia lebbeck (Lebbeck tree, Lebbeckboom)

Classification: Fabaceae > Mimosoideae > Albizia

Weed 1  

Albizia procera (False lebbeck, Basterlebbeck)

Classification: Fabaceae > Mimosoideae > Albizia

Weed 1  

Ardisia crenata (Coralberry tree, Coral Bush)

Classification: Myrsinaceae

Incorrectly referred to as Ardisia crispa in South Africa. This Category 1 status only applies in Limpopo, KwaZulu-Natal and Mpumalanga.

Weed 1  

Atriplex nummularia subsp. nummularia (Old man saltbush, Oumansoutbos)

Classification: Amaranthaceae > Chenopodioideae >  Atriplex

Invader 2  

Bauhinia purpurea (Butterfly orchid tree, Skoenlapperorgideëboom)

Classification: Fabaceae > Caesalpinioideae > Bauhinia

Invader 3  

Bauhinia variegata (Orchid tree, Orgideëboom)

Classification: Fabaceae > Caesalpinioideae > Bauhinia

Invader 3  

Caesalpinia decapetala (Mauritius thorn, Kraaldoring)

[= Caesalpinia sepiaria]

Classification: Fabaceae > Caesalpinioideae > Caesalpinia

Weed 1  

Cardiospermum grandiflorum (Balloon vine, Blaasklimop)

Classification: Sapindaceae

Weed 1  

Casuarina cunninghamiana (Beefwood, Kasuarisboom)

Classification: Casuarinaceae

Not to be used for dune stabilisation.

Invader 2  

Casuarina equisetifolia (Horsetail tree, Perdestertboom)

Classification: Casuarinaceae

Not to be used for dune stabilisation.

Invader 2 Casuarina equisetifolia (female)

Cestrum aurantiacum (Yellow or Orange cestrum, Oranjesestrum)

Classification: Solanaceae > Cestrum

Weed 1  

Cestrum elegans (Crimson cestrum, Karmosynsestrum)

[= Cestrum purpureum]

Classification: Solanaceae > Cestrum

Weed 1  

Cestrum laevigatum (Inkberry, Inkbessie)

Classification: Solanaceae > Cestrum

Weed 1 Cestrum ?laevigatum

Cestrum parqui (Chilean cestrum, Chileense Inkbessie)

Classification: Solanaceae > Cestrum

Weed 1  

Cinnamomum camphora (Camphor tree)

Classification: Lauraceae > Cinnamomum

Declared status only applies to Limpopo, KwaZulu-Natal and Mpumalanga.

Weed 1  

Cotoneaster franchetii (Cotoneaster, Dwergmispel, Oranje cotoneaster)

Classification: Rosaceae

Invader 3  

Cotoneaster pannosus (Silver-leaf cotoneaster, Silwerdwergmispel)

Classification: Rosaceae

Invader 3  

Eriobotrya japonica (Loquat, Lukwart)

Classification: Rosaceae

Invader 3 Eriobotrya japonica (Loquat)

Eucalyptus camaldulensis (Red river gum, Rooibloekom)

Classification: Myrtaceae

Invader 2  

Eucalyptus cladocalyx (Sugar gum, Suikerbloekom)

Classification: Myrtaceae

Invader 2  

Eucalyptus diversicolor (Karri, Karie)

Classification: Myrtaceae

Invader 2  

Eucalyptus grandis (Saligna gum, Rose gum, Salignabloekom)

[= Eucalyptus saligna]

Classification: Myrtaceae

Invader 2  

Eucalyptus lehmannii (Spider gum, Spinnekopbloekom)

Classification: Myrtaceae

Category 1 plant in the Western Cape, Category 2 plant in the rest of South Africa.

Weed 1-2  

Eucalyptus paniculata (Grey ironbark, Grysysterbasbloekom)

Classification: Myrtaceae

Invader 2  

Eucalyptus sideroxylon (Black ironbark, Red ironbark, Swartysterbasbloekom)

Classification: Myrtaceae

Invader 2  

Eugenia uniflora (Pitanga, Surinam cherry)

Classification: Myrtaceae

Category 1 plant in the Northern Province, KwaZulu – Natal and Mpumalanga, Category 3 plant in the rest of South Africa

Weed 1 or 3  

Gleditsia triacanthos (Honey locust, Sweet locust, Amerikaanse driedoring, Soetpeulboom)

Classification: Fabaceae > Caesalpinioideae

Declared status excludes sterile cultivars.

Invader 2  

Cytisus monspessulanus (Montpellier broom, Montpellierbrem)

[= Cytisus candicans, Genista monspessulana]

Classification: Fabaceae > Papilionoideae

Weed 1  

Cytisus scoparius (Scotch broom, Skotse brem)

[= Genista scoparia]

Classification: Fabaceae > Papilionoideae

Weed 1  

Grevillea robusta (Australian silky oak, Australiese silwereik)

Classification: Proteaceae

Invader 3  

Hakea drupacea (Sweet hakea, Soethakea)

[= Hakea suaveolens]

Classification: Proteaceae > Hakea

Weed 1  

Hakea gibbosa (Rock hakea, Harige hakea)

Classification: Proteaceae > Hakea

Weed 1  

Hakea sericea (Silky hakea, Syerige hakea)

Classification: Proteaceae > Hakea

Weed 1

Jacaranda mimosifolia (Jacaranda)

Classification: Bignoniaceae

Declared status excludes sterile cultivar 'Alba'.

Invader 3

Lantana (Lantana, Tickberry, Cherry pie)

Classification: Verbenaceae

Declared status includes all seed producing species or seed producing hybrids of Lantana that are non-native to Africa.

Weed 1 Lantana camara

Leptospermum laevigatum (Australian myrtle, Australiese mirt)

Classification: Myrtaceae > Leptospermum

Weed 1

Leucaena leucocephala (Leucaena, Reuse wattel)

[= Leucaena glauca]

Classification: Fabaceae > Mimosoideae

Category 1 plant in the Western Cape, Category 2 plant in the rest of South Africa.

Weed 1-2  

Ligustrum japonicum (Japanese liguster, Japanese wax-leaved privet)

Classification: Oleaceae

Invader 3  

Ligustrum lucidum (Chinese liguster, Chinese wax-leaved privet)

Classification: Oleaceae

Only for use as root-stock if authorised by the Executive Official in terms of regulation 15C(5).

Invader 3  

Ligustrum ovalifolium (Californian privet, Kaliforniese liguster)

Classification: Oleaceae

Invader 3  

Ligustrum sinense (Chinese privet, Chinese liguster)

Classification: Oleaceae

Invader 3  

Ligustrum vulgare (Common privet, Gewone liguster)

Classification: Oleaceae

Invader 3  

Litsea glutinosa (Indian laurel, Indiese lourier)

[= Litsea sebifera]

Classification: Lauraceae

Weed 1  

Macfadyena unguis-cati (Cat’s claw creeper, Katteklouranker)

Classification: Bignoniaceae

Weed 1  

Melia azedarach (“Syringa”, Persian lilac, Maksering, Bessieboom)

Classification: Meliaceae

Invader 3  

Metrosideros excelsa (New Zealand christmas tree, Nieu-Seelandse perdestert)

[= Metrosideros tomentosa]

Classification: Myrtaceae

Invader 3  

Mimosa pigra (Giant sensitive plant, Raak-my-nie)

Classification: Fabaceae > Mimosoideae

Invader 3  

Montanoa hibiscifolia (Montanoa, Tree daisy)

Classification: Asteraceae > Heliantheae

Weed 1  

Morus alba (White mulberry, Common mulberry, Witmoerbei, Gewone moerbei)

Classification: Moraceae > Morus

Declared status excludes cultivar ‘Pendula’. Only for use as root – stock if authorised by the Executive Official in terms of regulation 15C(5).

Invader 3  

Myoporum tenuifolium subsp. montanum (Manatoka)

[= Myoporum montanum]

Classification: Scrophulariaceae > Myoporum

Misidentified as Myoporum acuminatum in South Africa.

Invader 3  

Nerium oleander (Oleander, Selonsroos)

Classification: Apocynaceae > Apocynoideae

Declared status excludes sterile, double-flowered cultivars

Weed 1 Nerium oleander 'Alba'

Paraserianthes lophantha (Australian Albizia, Stink bean, Australiese Albizia, Stinkboon)

[= Albizia lophantha]

Classification: Fabaceae > Mimosoideae

Weed 1  

Passiflora caerulea (Blue passion flower, Siergrenadella)

Classification: Passifloraceae

Weed 1  

Passiflora mollissima (Banana poka, Bananadilla, Piesangdilla)

Classification: Passifloraceae

Weed 1  

Passiflora suberosa (Devil’s pumpkin, Indigo berry)

Classification: Passifloraceae

Weed 1  

Passiflora subpeltata (Granadina)

Classification: Passifloraceae

Weed 1  

Phytolacca dioica (Belhambra, Bobbejaandruifboom)

Classification: Phytolaccaceae

Invader 3  

Pinus canariensis (Canary den, Kanariese den)

Classification: Pinaceae

Invader 2  

Pinus elliotti (Slash pine, Basden)

Classification: Pinaceae

Invader 2  

Pinus halepensis (Aleppo pine, Aleppoden)

Classification: Pinaceae

Invader 2  

Pinus patula (Patula pine, Treurden)

Classification: Pinaceae

Invader 2  

Pinus pinaster (Cluster pine, Trosden)

Classification: Pinaceae

Invader 2  

Pinus radiata (Radiata pine, Monterey pine, Radiataden)

Classification: Pinaceae

Invader 2  

Pinus roxburghii (Chir pine, longifolia pine, Tjirden)

[= Pinus longifolia]

Classification: Pinaceae

Invader 2  

Pinus taeda (Loblolly pine, Loblollyden)

Classification: Pinaceae

Invader 2  

Pittosporum undulatum (Australian cheesewood, Sweet pittospormum, Australiese kasuur, Soet Pittosporum)

Classification: Pittosporaceae > Pittosporum

Weed 1  

Plectranthus comosus (‘Abyssinian’ coleus, Woolly plectranthus, ‘Abessiniese’ coleus)

[= Coleus grandis]

Classification: Lamiaceae > Plectranthus

Misnamed Plectranthus barbatus in South Africa.

Invader 3  

Populus alba (White poplar, Witpopulier)

Classification: Salicaceae

Invader 2  

Populus x canescens (Grey poplar, Matchwood poplar, Vaalpopulier)

Classification: Salicaceae

Invader 2  

Prosopis glandulosa var. torreyana and hybrids (Honey mesquite, Heuningprosopis)

Classification: Fabaceae > Mimosoideae

Invader 2  

Prosopis velutina and hybrids (Velvet mesquite, Fluweelprosopis)

Classification: Fabaceae > Mimosoideae

Invader 2  

Psidium cattleianum (Strawberry guava, Aarbei koejawel)

[= Psidium littorale var. longipes]

Classification: Myrtaceae

Invader 3  

Psidium guajava and hybrids (Guava, Koejawel)

Classification: Myrtaceae

Invader 2  

Psidium guineense (Brazilian guava, Brasiliaanse koejawel)

Classification: Myrtaceae

Invader 3  

Psidium x durbanensis (Durban guava, Durbanse koejawel)

Classification: Myrtaceae

Weed 1  

Pueraria lobata (Kudzu vine, Kudzuranker)

Classification: Fabaceae > Papilionoideae

Weed 1  

Pyracantha angustifolia (Yellow firethorn, Geelbranddoring)

Classification: Rosaceae

Declared status excludes cultivars.

Invader 3

Pyracantha crenulata (Himalayan firethorn, Rooivuurdoring)

Classification: Rosaceae

Invader 3  

Rhus succedanea (Wax tree, Wasboom)

[= Toxicodendron succedaneum]

Classification: Anacardiaceae > Rhus

Weed 1  

Ricinus communis (Castor - oil plant, Kasterolieboom)

Classification: Euphorbiaceae

Invader 2  

Robinia pseudoacacia (Black locust, Witakasia)

Classification: Fabaceae > Papilionoideae

Only for use as root – stock if authorised by the Executive Official in terms of regulation 15B(10).

Invader 2  

Rosa rubiginosa (Eglantine, Sweetbriar, Wilderoos)

Classification: Rosaceae

Invader 1  

Rubus cuneifolius and Rubus x proteus (American bramble, Amerikaanse braam)

Classification: Rosaceae > Rubus

Weed 1  

Rubus fruticosus (European blackberry, Braam)

Classification: Rosaceae > Rubus

Invader 2  

Salix babylonica (Weeping willow, Treurwilger)

Classification: Salicaceae

Careful not to confuse this with the indigenous Salix mucronata.

Invader 2  

Salix fragilis (Crack or brittle willow)

Classification: Salicaceae

Careful not to confuse this with the indigenous Salix mucronata.

Invader 2  

Schinus terebinthifolius (Brazilian pepper tree, Brasiliaanse peperboom)

Classification: Anacardiaceae > Schinus

Category 1 in Kwa-Zulu-Natal, Category 3 in the rest of South Africa.

Weed 1 or 3  

Senna bicapsularis (Rambling cassia)

[= Cassia bicapsularis]

Classification: Fabaceae > Caesalpinioideae

Invader 3  

Senna didymobotrya (Peanut butter cassia, Grondboontjiebotterkassia)

[= Cassia didymobotrya]

Classification: Fabaceae > Caesalpinioideae

Invader 3  

Senna pendula var. glabrata

[= Cassia coluteoides]

Classification: Fabaceae > Caesalpinioideae

Invader 3  

Sesbania punicea (Red sesbania, Rooi sesbania)

Classification: Fabaceae > Papilionoideae

Weed 1  

Solanum elaeagnifolium (Silver-leaf bitter apple, Satansbos)

Classification: Solanaceae > Solanum

Weed 1  

Solanum mauritianum (Bugweed, Luisboom)

Classification: Solanaceae > Solanum

Weed 1  

Solanum seaforthianum (Potato creeper, Aartappelranker)

Classification: Solanaceae > Solanum

Weed 1  

Solanum sisymbriifolium (Wild tomato, Dense - thorned bitter apple, Wildetamatie, Doringtamatie)

Classification: Solanaceae > Solanum

Weed 1  

Spartium junceum (Spanish broom, Spaanse besem)

Classification: Fabaceae > Papilionoideae

Weed 1  

Syzygium cumini (Jambolan)

Classification: Myrtaceae

Invader 3  

Syzygium jambos (Rose apple, Jamboes)

Classification: Myrtaceae

Invader 3  

Tamarix chinensis (Chinese tamarisk)

Classification: Tamaricaceae

Category 1 plant in the Northern-, Western-, and Eastern Cape, Category 3 plant in the rest of South Africa.

Weed 1 or 3  

Tamarix ramosissima (Pink tamarisk, Perstamarisk)

Classification: Tamaricaceae

Category 1 plant in the Northern-, Western-, and Eastern Cape, Category 3 plant in the rest of South Africa.

Weed 1 or 3  

Tecoma stans (Yellow bells, Geelklokkies)

Classification: Bignoniaceae

Weed 1  

Thevetia peruviana (Yellow oleander, Geel-oleander)

[= Thevetia neriifolia]

Classification: Apocynaceae

Weed 1  

Tipuana tipu (Tipu tree, Tipoeboom)

[= Tipuana speciosa]

Classification: Fabaceae > Papilionoideae

Invader 3  

Toona ciliata (Toon tree, Toonboom)

[= Cedrela toona]

Classification: Meliaceae

Invader 3  

Triplaris americana (Palo santo, Triplaris, Ant Tree)

Classification: Polygonaceae

Weed 1  

Ulex europaeus (European gorse, Gaspeldoring)

Classification: Fabaceae > Papilionoideae

Weed 1  
       

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