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The shallot is a cultivar group of the onion.Until 2010, the (French red) shallot was classified as a separate species, Allium ascalonicum.The taxon was synonymized with Allium cepa (the common onion) in 2010, as the difference was too small to justify a separate species.
Allium oschaninii, the French gray shallot, griselle or true shallot, is a perennial plant of the onion genus Allium. [2] It forms underground bulbs much like the (French red) shallots, covered by a layer of pale brown-grey skin (hence the common name).
Plants grow on rocky slopes and in fields at elevations of 1,500–2,500 m (4,900–8,200 ft). [ 5 ] [ 7 ] It is a typical 'drumstick allium', with a more-or-less spherical umbel on a tall stipe , and as such has often been confused with other similar species.
Allium flavum (yellow) and Allium carinatum (purple). Allium is a large genus of monocotyledonous flowering plants with around 1000 accepted species, [4] [5] making Allium the largest genus in the family Amaryllidaceae and amongst the largest plant genera in the world. [6]
Shallots are the most important subgroup within this group and comprise the only cultivars cultivated commercially. They form aggregate clusters of small, narrowly ovoid to pear-shaped bulbs. Potato onions differ from shallots in forming larger bulbs with fewer bulbs per cluster, and having a flattened (onion-like) shape. Intermediate forms ...
A. cepa var. aggregatum (formerly A. ascalonicum) – commonly called shallots or sometimes eschalot. A. chinense; A. fistulosum, the Welsh onion – does not form bulbs even when mature, and is grown in the West almost exclusively as a scallion or salad onion. [9] A. × proliferum – sometimes used as scallions [10]
Mushrooms grow well at relative humidity levels of around 95–100%, and substrate moisture levels of 50 to 75%. [1] Instead of seeds, mushrooms reproduce through spores. Spores can be contaminated with airborne microorganisms, which will interfere with mushroom growth and prevent a healthy crop.
The stolons are easily recognized when potato plants are grown from seeds. As the plants grow, stolons are produced around the soil surface from the nodes. The tubers form close to the soil surface and sometimes even on top of the ground. When potatoes are cultivated, the tubers are cut into pieces and planted much deeper into the soil.