Eichhornia nobilis is a plant of Sterculiaceae. Also known as "Apple". ? The fruit of Eichhornia crassipes is rooted in the apple tree. Now there are some Eichhornia crassipes with brown-black appearance, oily luster and wrinkles in the vegetable market, and some Eichhornia crassipes with yellow-white seeds are sold. The efficacy of these peeled Eichhornia crassipes can be boiled with lotus seeds, tremella fuciformis and rock sugar, which is sweet and has the effect of warming the stomach and strengthening the spleen.