Yellow fever tree

• Quick-growing tree 10–25m tall.
• Bark is smooth, slightly flaking, coated with distinctive greenish-yellow powder that can be rubbed away to reveal green colour.
• Leaves are bipinnate, with 4–7 pairs of pinnae and 10–17 pairs of leaflets per pinnae.
• Leaflets are 2.5–6.5mm × 0.75–1.75mm.
• Petiolar glands are usually present at base of upper pinnae pairs.
• Spines are white, straight, strong, arranged in pairs.
• Flowers are yellow, spherical, fragrant, clustered on slender stalks where spines join stems.
• Fruits are flat, papery, light brown pods, 5–19cm long, containing 5–10 seeds per pod.
• Seeds are elliptical, flattened, dark brown, released when pod bursts open.

• Prefers riparian and other low-lying habitats in tropical and subtropical savannahs.

• Found in gardens, but could spread over large areas of Central Queensland if escapes into wild.

• Reproduces from seeds.
• Flowers pollinated by insects.
• Pods take 4–6 months to mature.

Environmental

• Forms dense thickets that could replace native plants and pastures.
• Long-lived seeds would be difficult to control once established.

Economic

• Dominates grazing land along banks of waterways.

• Seeds spread by cattle.

• 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.

• Yellow fever tree 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 yellow fever tree.
• You must take any action that is reasonably likely to minimise the biosecurity threat posed by yellow fever tree.
• You must report all sightings to Biosecurity Queensland within 24 hours.