Củ ấu also known as water caltrop, devil pod, buffalo nut, horn nuts, ling nuts, bat nut, mustache nut or water chestnut. This is a fruit and also nut forming from the water caltrop plant which is a water weed that blocks dense waterways. The fruits are boiled and the starchy inner meat is eaten.
Water Supply & Treatment
In Chinese medicine the fruit is known to cleanse the body. It is rich in potassium, starch, phenolic acid, and also shown to have anti cancer and a high level of antioxidants.
To me the flavor is very similar to cassava and not much like a water Chestnut at all despite the name. A fun little nut to try if you want to switch up your starch sources. I’d recommend trying it if you ever get the chance.
