Annual thunbergia

• Annual herb up to 35cm tall.
• Leaves are smooth, arranged in opposite pairs along stem.
• Flowers are white, about 2cm long, may have cream centre.

• Prefers frost-free locations.

• Not know to occur in Queensland, but has potential to spread across tropical and subtropical areas.

• Reproduces from seed and root pieces.

Environmental

• Could threaten remnant vegetation in Wet Tropics.
• Degrades banks of creeks and rivers.

• Seeds spread by natural and human processes.
• Also spread vegetatively by root pieces moving along riverbanks during floods, or in earth removed from infested sites for fill or other soil use.

• Find out how farmers can prevent weed spread.
• Find out how gardeners and outdoor enthusiasts can prevent weed spread.

• Before undertaking any preventative or control actions, contact our Customer Service Centre.

• Annual thunbergia is a prohibited invasive plant under the Biosecurity Act 2014.
• You must not keep, move, give away, sell or release into the environment. Penalties may apply.
• You must not take any action reasonably likely to exacerbate the biosecurity threat posed by annual thunbergia.
• You must take any action that is reasonably likely to minimise the biosecurity threat posed by annual thunbergia.
• You must report all sightings to Biosecurity Queensland within 24 hours.