are leeks and onions in the same family
Leek The leek is a vegetable, a cultivar of Allium ampeloprasum, the broadleaf wild leek. The edible part of the plant is a bundle of leaf sheaths that is sometimes erroneously called a stem or stalk. The genus Allium also contains the onion, garlic, shallot, scallion, chive,[1] and Chinese onion.[2]
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. It is the 16th-largest family of flowering plants, with more than 3,700 species in 434 genera[1] including such well-known and economically important plants such as ajwain, angelica, anise, asafoetida, caraway, carrot, celery, chervil, coriander, cumin, dill, fennel, hemlock, lovage, cow parsley, parsley, parsnip, sea holly, and silphium (a plant whose identity is unclear and which may be extinct).[2] The family also includes a number of poisonous species, including poison hemlock, water hemlock, giant hogweed, and foolâ€™s parsley.