Celeriac (Apium graveolens Rapaceum Group) is also known as 'celery root,' 'turnip-rooted celery' or 'knob celery'. It is a kind of celery, grown as a root vegetable for its large and well-developed taproot rather than for its stem and leaves. The root is typically used when it's about 10–12 cm in diameter; about the size of a large potato. Unlike other root vegetables, which store a large amount of starch, celery root is only about 5-6% starch by weight. Celeriac may be used raw or cook… (More on Celeriac)