Plant Form Woody climber. Size Climbs up to 30 m high. Stem Young stems green and hairless, progressing to woody and up to 15 cm thick at maturity. Leaves Claw shaped 3-17 mm long, oppositely arranged and hairless with pointed tips. Flowers Bright yellow tubular flowers, often with fine reddish lines inside. Fruit and Seeds Long glossy green, strap like capsules 15-50 cm long, with numerous papery seeds. Habitat Along waterways, and in disturbed rainforest and roadsides. Distinguishing Features Claw-like tendrils and showy flowers. Impacts Forms thick carpets which shade out and smother other plants.