![]() The bulbs are composed of shortened, compressed, underground stems surrounded by fleshy modified scale (leaves) that envelop a central bud at the tip of the stem. The onion plant has a fan of hollow, bluish-green leaves and its bulb at the base of the plant begins to swell when a certain day-length is reached. ![]() ![]() The onion is most frequently a biennial or a perennial plant, but is usually treated as an annual and harvested in its first growing season. Its ancestral wild original form is not known, although escapes from cultivation have become established in some regions. cepa is exclusively known from cultivation. The name wild onion is applied to a number of Allium species, but A. This genus also contains several other species variously referred to as onions and cultivated for food, such as the Japanese bunching onion Allium fistulosum, the tree onion Allium × proliferum, and the Canada onion Allium canadense. : 21 Its close relatives include garlic, scallion, leek, and chive. The shallot is a botanical variety of the onion which was classified as a separate species until 2011. viviparum (Metzg.) Alef.Īn onion ( Allium cepa L., from Latin cepa meaning "onion"), also known as the bulb onion or common onion, is a vegetable that is the most widely cultivated species of the genus Allium.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |