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The clear epidermal cells exist in a single layer and do not contain chloroplasts, because the onion fruiting body (bulb) is used for storing energy, not photosynthesis. [3] Each plant cell has a cell wall, cell membrane, cytoplasm, nucleus, and a large vacuole. The nucleus is present at the periphery of the cytoplasm.
The yellow onion or brown onion (Allium cepa L. [1] [2]) is a variety of dry onion with a strong flavour. They have a greenish-white, [3] light yellow, [4] or white inside; [5] its layers of papery skin have a yellow-brown or pale golden colour. [3] [4] It is higher in sulphur content than the white onion, which gives it a stronger, more ...
Yellow onions are similar, although slightly sweeter than white onions, and they are great for caramelization. Red onions are a bit more sharp and somewhat spicy, and they are best when cooked.
An 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. The shallot is a botanical variety of the onion which was classified as a separate species until 2011.
Structure of a plant cell. Plant cells are the cells present in green plants, photosynthetic eukaryotes of the kingdom Plantae.Their distinctive features include primary cell walls containing cellulose, hemicelluloses and pectin, the presence of plastids with the capability to perform photosynthesis and store starch, a large vacuole that regulates turgor pressure, the absence of flagella or ...
Phytomorphology is the study of the physical form and external structure of plants. [1] This is usually considered distinct from plant anatomy, [1] which is the study of the internal structure of plants, especially at the microscopic level. [2] Plant morphology is useful in the visual identification of plants.
List of onions may refer to: List of Allium species; Allium is the onion genus, with 600-920 species, making it one of the largest plant genera in the world; List of onion cultivars; cultivars of the onion (Allium cepa) List of Tor onion services, list of tor onion websites; Onion varieties; Onion (disambiguation)
Congdon's onion Allium sanbornii Alph. Wood var. congdonii Jeps. Crinkled onion Allium crispum Greene Cuddy Mountain onion Allium fibrillum M.E. Jones Cultivated garlic Allium sativum L. Darkred onion Allium atrorubens S. Watson and vars. atrorubens, cristatum Dotted onion Allium punctum L.F. Hend. Douglas' onion Allium douglasii Hook. Drummond ...