Turnip-rooted celery is a root vegetable that is also known by a variety of other names and synonyms. Some of the most common synonym names include celeriac, knob celery, celery root, and root celery. The vegetable is related to celery and parsley and is prized for its unique flavor and texture. Turnip-rooted celery is a popular ingredient in soups, stews, and gratins and can also be mashed or roasted. The vegetable is known for its high nutrient content and is a good source of vitamin K and phosphorus. With its earthy, nutty flavor, turnip-rooted celery is a versatile and delicious addition to any meal.