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Glaucous
''Glaucous'' (, ) is used to describe the pale grey or bluish-green appearance of the surfaces of some plants, as well as in the names of birds, such as the glaucous gull (''Larus hyperboreus''), glaucous-winged gull (''Larus glaucescens''), glaucous macaw (''Anodorhynchus glaucus''), and glaucous tanager (''Thraupis glaucocolpa''). The term ''glaucous'' is also used botanically as an adjective to mean "covered with a greyish, bluish, or whitish waxy coating or bloom that is easily rubbed off" (e.g. glaucous leaves). The first recorded use of ''glaucous'' as a color name in English was in the year 1671. Examples The epicuticular wax coating on mature plum fruit gives them a glaucous appearance. Another familiar example is found in the common grape genus (''Vitis vinifera''). Some cacti have a glaucous coating on their stem(s). Glaucous coatings are hydrophobic so as to prevent wetting by rain. Their waxy character serves to hinder climbing of leaves, stem or fruit by i ...
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Glaucous Gull
The glaucous gull (''Larus hyperboreus'') is a large gull, the second-largest gull in the world. The genus name is from Latin , which appears to have referred to a gull or other large seabird. The specific name is Latin for "northern" from the Ancient Greek ''Huperboreoi'' people from the far north "Glaucous" is from Latin and denotes the grey colour of the gull. An older English name for this species is burgomaster. Distribution This gull breeds in Arctic regions of the Northern Hemisphere and winters south to shores of the Holarctic. It is migratory, wintering from in the North Atlantic and North Pacific Oceans as far south as the British Isles and northernmost states of the United States, also on the Great Lakes. A few birds sometimes reach the southern USA and northern Mexico. Description This is a large and powerful gull, second-largest of all gull species and very pale in all plumage, with no black on either the wings or the tail. Adults are pale grey above, with a th ...
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Shades Of Gray
Variations of gray or grey include achromatic grayscale shades, which lie exactly between white and black, and nearby colors with low colorfulness. A selection of a number of these various colors is shown below. Chart of computer web color grays Below is a chart showing the computer web color grays. An ''achromatic gray'' is a gray color in which the red, green, and blue codes are exactly equal. The web colors ''gray'', ''gainsboro'', ''light gray'', ''dark gray'', and ''dim gray'' are all achromatic colors. A ''chromatic gray'' is a gray color in which the red, green, and blue codes are not exactly equal, but are close to each other, which is what makes it a shade of gray. White and black The colors white and black are not usually thought of as shades of gray, but they can be thought of as shades of achromatic gray, as both contain equal amounts of red, blue and green. White is at the extreme upper end of the achromatic value scale and black is at the extreme lower end ...
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Glaucous Macaw
The glaucous macaw (''Anodorhynchus glaucus'') is a critically endangered or possibly extinct species of large, blue and grey South American parrot, a member of a large group of neotropical parrots known as macaws. This macaw is closely related to Lear's macaw (''A. leari'') and the hyacinth macaw (''A. hyacinthinus''). In Guarani language, Guaraní, it is called ' after its vocalizations. Description The glaucous macaw is long. It is mostly pale turquoise-blue with a large, greyish head. The term glaucous describes its colouration. It has a long tail and a large bill. It has a yellow, bare eye ring and half moon-shaped lappets bordering the mandible. Range and decline This bird was native to north Argentina, south Paraguay, the chaco and llano region of Bolivia near the city of Santa Cruz de la Sierra, northeast Uruguay, and Brazil. It became rare during the 19th century due to trapping and loss of habitat, and only two possible reports of wild birds were received in the ...
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Glaucous Tanager
The glaucous tanager (''Thraupis glaucocolpa'') is a species of bird in the family Thraupidae. The term ''glaucous'' describes its colouration. It is found in Colombia and Venezuela. Its natural habitats are subtropical or tropical moist lowland forest A forest is an ecosystem characterized by a dense ecological community, community of trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, ...s and heavily degraded former forest. References glaucous tanager Birds of Colombia Birds of Venezuela glaucous tanager Taxonomy articles created by Polbot Taxobox binomials not recognized by IUCN {{Thraupidae-stub ...
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Epicuticular Wax
Epicuticular wax is a waxy coating which covers the outer surface of the plant cuticle in land plants. It may form a whitish film or bloom on leaves, fruits and other plant organs. Chemically, it consists of hydrophobic organic compounds, mainly straight-chain aliphatic hydrocarbons with or without a variety of substituted functional groups. The main functions of the epicuticular wax are to decrease surface wetting and moisture loss. Other functions include reflection of ultraviolet light, assisting in the formation of an ultra-hydrophobic and self-cleaning surface and acting as an anti-climb surface. Chemical composition Common constituents of epicuticular wax are predominantly straight-chain aliphatic hydrocarbons that may be saturated or unsaturated and contain a variety of functional groups, such as -Hydroxy group, hydroxyl, carboxyl, and -Ketone, ketoyl at the terminal position. This broadens the spectrum of wax composition to Fatty acid, fatty acids, Primary alcohol, primary ...
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Glaucus (other)
In Greek mythology, Glaucus was a Greek prophetic sea-god. Glaucus, often transliterated to Glafkos, may also refer to: People * Glaucus, son of Aepytus of Messenia * Glaucus (son of Sisyphus), of Potniae * Glaucus (son of Minos), of Crete * Glaucus (son of Hippolochus), of Lycia, grandson of the hero Bellerophon * Glaucus of Carystus, an ancient Greek athlete * Glaucus of Chios (c. 7th century BCE), Greek sculptor in metal * Apollonius Glaucus, 2nd-century Roman physician * Glafcos Clerides (1919–2013), former President of Cyprus Rivers * Glafkos (river), a river in Patras, Greece * Glaucus (river of Asia Minor), rivers in Asia Minor Ships * Greek submarine Glafkos (Υ-6), a ''Protefs''-class submarine of the Hellenic Navy * SS ''Glaucus'' (1871), shipwrecked in 1921 * USS ''Glaucus'' (1863), a steamship of the Union Navy during the American Civil War Other * 1870 Glaukos, a Trojan asteroid * ''Glaucus'' (gastropod), a genus of nudibranchs in the family Glaucidae ...
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Plum
A plum is a fruit of some species in Prunus subg. Prunus, ''Prunus'' subg. ''Prunus''''.'' Dried plums are often called prunes, though in the United States they may be labeled as 'dried plums', especially during the 21st century. Plums are likely to have been one of the first fruits domesticated by humans, with origins in Eastern Europe, East European and Caucasus Mountains, Caucasian mountains and China. They were brought to Great Britain, Britain from Asia, and their cultivation has been documented in Andalusia, southern Spain. Plums are a diverse group of species, with trees reaching a height of when pruned. The fruit is a drupe, with a firm and juicy flesh. China is the largest producer of plums, followed by Romania and Serbia. Japanese or Chinese plums dominate the fresh fruit market, while European plums are also common in some regions. Plums can be eaten fresh, dried to make prunes, used in Fruit preserves, jams, or fermented into fruit wine, wine and distilled into ...
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Plant Morphology
Phytomorphology is the study of the physical form and external structure of plants.Raven, P. H., R. F. Evert, & S. E. Eichhorn. ''Biology of Plants'', 7th ed., page 9. (New York: W. H. Freeman, 2005). . This is usually considered distinct from plant anatomy, which is the study of the internal structure of plants, especially at the microscopic level. Plant morphology is useful in the visual identification of plants. Recent studies in molecular biology started to investigate the molecular processes involved in determining the conservation and diversification of plant morphologies. In these studies transcriptome conservation patterns were found to mark crucial ontogenetic transitions during the plant life cycle which may result in evolutionary constraints limiting diversification. Scope Plant morphology "represents a study of the development, form, and structure of plants, and, by implication, an attempt to interpret these on the basis of similarity of plan and origin". There ar ...
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Lists Of Colors
These are the lists of colors; * List of colors: A–F * List of colors: G–M * List of colors: N–Z * List of colors (alphabetical) * List of colors by shade * List of color palettes * List of Crayola crayon colors * List of RAL colours * List of X11 color names See also * Index of color-related articles * List of dyes This is a list of dyes with Colour Index International generic names and numbers and CAS Registry numbers. Note * Synonyms should be treated with caution because they are often used inconsistently, see discussion page and external lin See als ... {{DEFAULTSORT:colors ...
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