柔瓣美人蕉（学名：Canna flaccida）为美人蕉科美人蕉属的植物。分布于南美洲以及中国大陆的南北各省等地，目前已由人工引种栽培。

黄花美人蕉（广州常见经济植物）

Canna flaccida is a species of the Canna genus, a member of the family Cannaceae. The species is indigenous to the wetlands of south-eastern and south-central USA from Texas to South Carolina. It is also reportedly naturalized in India, the Philippines, Mexico, Panama, Cuba, the Dominican Republic, Peru and southern Brazil.