Celery belongs to the botanical family

Celery belongs to the botanical family Apiaceae.
Apiaceae or Umbelliferae is a family of mostly aromatic flowering plants named after the type genus Apium and commonly known as the celery, carrot or parsley family, or simply as umbellifers.
Celery is a marshland plant that has been cultivated as a vegetable. It has a long fibrous stalk tapering into leaves. Depending on location and cultivar, either its stalks, leaves or hypocotyl are eaten and used in cooking. Celery seed powder is used as a spice.