No, not at all! Taro and ube get mixed up all the time, but they are actually two completely different vegetables. Ube is sweeter than taro, whilst taro is a lot more starchy. Also, their textures are different - taro is a whole lot creamier than the texture of ube. You can easiest differentiate ube and taro by their color: Taro is mainly white with purple veins running throughout the vegetable, whilst ube is a deep purple throughout.