A tuber is a part of a rhizome thickened for use as a storage organ. It is usually, though not always, subterranean, such as a potato. This modified stem forms at the end of a lateral branch. Auxiliary buds are located at the nodes. When the buds develop, adventitious roots and rhizomes form below them. OCA can mean: Observatoire de la Côte dAzur Orthodox Church in America Oxford Capacity Analysis Online Crash Analysis See also Oca This is a disambiguation page — a list of pages that otherwise might share the same title. ... Species Truffle describes a group of edible mycorrhizal (subterranean) fungi (genus Tuber, class Ascomycetes, division Mycota). ... Ginger rhizome In botany, a rhizome is a usually-underground, horizontal stem of a plant that often sends out roots and shoots from its nodes. ... A storage organ is a part of a plant specifically modified for storage of energy (generally in the form of starch) or water. ... Subterranean can also refer to something below the Earths surface Subterranean was an album released by Swedish heavy metal band In Flames in 1995. ... Binomial name Solanum tuberosum L. The potato (Solanum tuberosum) is a perennial plant of the Solanaceae, or nightshade, family, commonly grown for its starchy tuber. ...
This should not be confused with a tuberous root such as a sweet potato or Dahlia, which is a similarly swollen root. A tuberous root is a modified lateral root, enlarged for storage. ... Binomial name Ipomoea batatas Linnaeus The sweet potato (Ipomoea batatas) is a crop plant whose large, starchy, sweet-tasting tuberous roots are an important root vegetable. ... Species 30 species, 20,000 cultivars Dahlia is a genus of bushy, summer- and autumn-flowering, tuberous perennials that are originally from Mexico, where they are the national flower. ... Primary and secondary roots in a cotton plant In vascular plants, the root is that organ of a plant body that typically lies below the surface of the soil (compare with stem). ...
The term root and tuber crops is a very general "catch-all" for a wide cross-section of subterranean storage organs of which there are approximately 38root, 23 tuber, 14 rhizome, 11 corm and 10 bulb crops.
Roots and tubers comprised significant components of the diet and had the advantage for hunter-gatherer societies in that they were available over extended periods of time due to their ability to be left in situ until needed.
With the advent of agriculture, cultivated root and tuber crops became increasingly critical sources of food with the potato, cassava and sweetpotato representing the 3
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