About Weeds
The region is host to many invasive environmental weeds, some like Bellyache Bush (Jatropha gossypifolia), Rubber Vine (Cryptostegia grandiflora) and Singapore daisy (Sphagneticola trilobata) are a significant threat to biodiversity.Many weeds such as (Duranta erecta) are garden escapes which are unfortunately still sold as garden plants. Tropical America is the origin of many significant weed species.
Control and removal of environmental weeds is very expensive, removing problem plants from sale in nurseries and careful disposal of garden waste help in preventing spread. Many weeds in Australia cannot be eradicated and will eventually be absorbed into the native flora. Studies indicate that some weeds are evolving to Australian conditions and diverging in form and habit from the source plants of their native countries.
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| Sensitive Weed (Mimosa pudica) |
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| Lantana (Lantana camara) |
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| Blue Top (Ageratum conyzoides) |
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| Dark Blue Snake Weed (Stachytarppheta cayennensis) |
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| Mother-in-law's tongue (Sansevieria trifasciata) Origin West Africa |
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| Butter Pea (Centrosema molle) |
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| Singapore Daisy (Sphagneticola trilobata) |
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| Golden Dewdrops (Duranta erecta) |
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| Giant Bramble (Rubus alceifolius) |
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| Guinea Grass (Panicum maximum) |
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| Cusara Pea (Crotalaria zanzibarica) |
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| Prickly Pear (Opuntia stricta) |
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| Selloum (Philodendron selloum) Origin South America |
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| Red Natal Grass (Melinus repens) |
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| Red Passion Flower (Passiflora coccinea) |
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| Coral Berry (Ardisea crenata) |
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| Scarlet Creeper (Ipomoea hederifolia) |
