Zaili flower is also known as water arrowroot, water lotus banana, Latin name: Thaliadealbata. Thaliadealbata. Plant of the Arrowroot family and genus Thalia, a perennial emergent herb. The leaves are ovate-lanceolate, light gray-blue, with purple edges, 50cm long and 25cm wide. Inflorescences are compound racemes, flowers are small and purple. The whole plant is covered with white powder. It is an excellent greenhouse flower in temperate zones, with flower stalks up to more than 2 meters high.

The plant shape and leaf shape of Zailihua and aquatic canna are similar. Zailihua is raw-shaped with extremely long petioles, while Canna has upright stems and short petioles.

Garden uses of Zailihua:

The Zailihua plant is tall and beautiful, with huge green leaves shaped like banana leaves. The leaves are green and lovely, and the inflorescences are higher than the leaves. They are slim and blue. The purple flowers are elegant and unique. They are the best flowers for waterscape greening and are known as the "bird of paradise on the water".

In addition to being ornamental, Zailihua also has the function of purifying water quality. It is an important waterscape flower. It is often planted in patches in pools or wetlands. It can also be viewed in pots or planted in courtyard water landscapes.