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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.
The cultivation of Vidalia onions started in the early 1930s. The Granex and related varieties are sweeter than other onions, but the unusual sweetness of Vidalia onions is due to the low amount of sulfur in the soil in which Vidalia onions are grown. The Vidalia onion was named Georgia's official state vegetable in 1990.
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)
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