Abutilon megapotamicum (Trailing Abutilon; syn. A. vexillarium) is a species of Abutilon native to Brazil. It is a shrub growing to 2.5 m tall, with leaves 5-8 cm long, ovate to shallowly three-lobe. The flowers are orange-yellow with a red base, with five petals about 4 cm long.