Zhumadian Network News (Reporter Xu Wei) Recently, beside the urban river, you will often encounter a bright yellow flower, which is dazzling, and the outer wheel petals are very large, like a banner in the wind. This flower is the yellow calamus, which has an even more wonderful nickname called "water candle" or "aquatic iris".
Iris is a perennial herbaceous plant of the genus Iris in the family Iris that blooms in late April or early May, with a stout, yellow-brown rhizome; The barbels are yellowish-white with wrinkled transverse lines.
Dalus, native to Europe, is now commonly cultivated throughout China. It prefers to grow in shallow water and slightly acidic soils. It can also grow in arid, slightly alkaline soils and has a wide range of ecological adaptability.