Brazilian nightshade. Solanum seaforthianum
Native to the West Indies
A problem on the north coast of NSW. It invades dunes and rainforest.
Form: Sprawling shrub or climber.
Flower: Hanging bunches, violet. Mainly spring to autumn.
Fruit/Seed: Globular red berry in bunches.
Control: Pull out before it seeds.
Chemical controls are available. Cut/scrape and paint can be effective.