Balloon Vine is a vigorous climbing vine recognised by its distinctive inflated balloon-like seed capsules. It smothers vegetation and can form dense blankets over trees and shrubs. The vine has spread rapidly in Queensland, particularly along the coast.
How to Identify
- Climbing or scrambling vine to 10+ metres
- Compound leaves with 3 groups of 3 leaflets
- Small white flowers
- Distinctive inflated capsules (balloons) 3-5cm
- Black seeds with heart-shaped white mark
- Tendrils for climbing
Where It Grows
Riparian areas, disturbed sites, forest edges, fence lines. Prefers moist conditions but tolerates dry periods.
Environmental Impact
- Smothers trees and shrubs
- Can form impenetrable curtains of vegetation
- Seeds spread by water and wind
- Difficult to remove from tree canopies
- Reduces habitat quality
Control Methods
- Hand pull small plants and seedlings
- Cut and paint larger vines
- Foliar spray for ground infestations
- Collect and destroy seed pods before dispersal
- Follow up for seedling regrowth
- May need tree climbing for canopy removal
Seasonal Activity
Flowers spring to autumn. Seeds disperse in dry pods.
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