Eleocharis dulcis is a type of aquatic grass plant commonly known as the Chinese water chestnut. This plant is a popular ingredient in many cuisines around the world due to its sweet and crunchy texture. However, there are other plant species that can be used as a substitute for Chinese water chestnut in recipes. One of the most popular alternatives is the lotus root, which has a similar texture and nutty flavor. Other substitutes include the jicama, celeriac, and turnip roots, all of which can be used in stir-fries, salads, and soups. So if you're having trouble finding Chinese water chestnut in your local grocery store, don't worry! There are plenty of other options available to try in your next dish.