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Iris Ser. Hexagonae
Louisiana iris is a taxonomic group (''Iris'' ser. ''Hexagonae'') of five iris species native to Louisiana and surrounding regions of the southeastern United States: ''Iris fulva'', ''Iris hexagona'', ''Iris brevicaulis'', '' Iris giganticaerulea'', and ''Iris nelsonii''. Each recognized species has noticeable phenotypic and habitat differences, yet similarities between their phenotypes and habitats can be drawn. These similarities are partially a result of their similar phylogenies. Many of the species are closely related, some a result of interbreeding, as in the most recent discovery of the Abbeville Red Iris, ''Iris nelsonii''. The five Louisiana irises are often categorized as "The Reds" or "The Blues" according to their corolla color. "The Blues", species ''Iris brevicaulis'', ''Iris hexagona'', and ''Iris giganticaerulea'', typically have blue-purple corollas, with rare white forms. "The Reds", species ''Iris fulva'' and ''Iris nelsonii'', typically have red-orange corollas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iris Brevicaulis
''Iris brevicaulis'' is a species in the genus ''Iris'', it is also in the subgenus '' Limniris'' and in the series '' Hexagonae''. It is a rhizomatous perennial, from North America. It has bright green, glossy long leaves, a long zig-zagged stem and 3–6 flowers per stem, which come in blue shades from violet-blue, to lavender, to purple-blue, to bright blue to blue, and pale blue. Description ''Iris brevicaulis'' is the smallest in all the ''Hexagonae series'' of Louisiana irises. Its leaves and stalks are much shorter than the other species. It is similar in form to '' Iris virginica'',Michael A. Homoy The flowers are normally never seen above the foliage,Robert H. Mohlenbroc due to the short zig-zagging flower stems and occasionally, due to the habit of the stems to lie along the floor, or it is often decumbent (meaning the branches growing horizontally but turned up at the ends).Garrett E. Crow and C. Barre Hellquist It has a shallowly rooted, branching rhizome (about 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mississippi Valley
The Mississippi River is the main stem, primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri River, Missouri. From its traditional source of Lake Itasca in northern Minnesota, it flows generally south for to the Mississippi River Delta in the Gulf of Mexico. With its many tributaries, the Mississippi's Drainage basin, watershed drains all or parts of 32 U.S. states and two Canadian provinces between the Rocky Mountains, Rocky and Appalachian Mountains, Appalachian mountains. The river either borders or passes through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana. The main stem is entirely within the United States; the total drainage basin is , of which only about one percent is in Canada. The Mississippi ranks as the world's List of rivers by discharge, tenth-largest river by discharge flow, and the largest ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Erosion
Erosion is the action of surface processes (such as Surface runoff, water flow or wind) that removes soil, Rock (geology), rock, or dissolved material from one location on the Earth's crust#Crust, Earth's crust and then sediment transport, transports it to another location where it is deposit (geology), deposited. Erosion is distinct from weathering which involves no movement. Removal of rock or soil as clastic sediment is referred to as ''physical'' or ''mechanical'' erosion; this contrasts with ''chemical'' erosion, where soil or rock material is removed from an area by Solvation, dissolution. Eroded sediment or solutes may be transported just a few millimetres, or for thousands of kilometres. Agents of erosion include rainfall; bedrock wear in rivers; coastal erosion by the sea and Wind wave, waves; glacier, glacial Plucking (glaciation), plucking, Abrasion (geology), abrasion, and scour; areal flooding; Aeolian processes, wind abrasion; groundwater processes; and Mass wastin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hurricanes
A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depending on its location and strength, a tropical cyclone is called a hurricane (), typhoon (), tropical storm, cyclonic storm, tropical depression, or simply cyclone. A hurricane is a strong tropical cyclone that occurs in the Atlantic Ocean or northeastern Pacific Ocean. A typhoon is the same thing which occurs in the northwestern Pacific Ocean. In the Indian Ocean and South Pacific, comparable storms are referred to as "tropical cyclones". In modern times, on average around 80 to 90 named tropical cyclones form each year around the world, over half of which develop hurricane-force winds of or more. Tropical cyclones tropical cyclogenesis, typically form over large bodies of relatively warm water. They derive their energy through the evaporation of water ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Palmetto Island State Park
Palmetto Island State Park is a recent addition to the Louisiana State Park system. The new state park is located south of Abbeville, Louisiana in Vermilion Parish. The state of Louisiana acquired the property for the park in 1981 but did not begin construction on it with the intent of public use until 2002. State budget constraints and other concerns delayed the park's opening until October 28, 2010. The park, in size, is noted for its abundance of palmettos,(mostly Dwarf Palmetto) which form a dense understory in the coastal bottomland hardwood forest that predominates here. Palmetto Island State Park has a visitor center which houses a multi-purpose room that can rented for meetings, weddings and other social events. A water playground is located nearby. Guests may stay at one of six two-bedroom cabins nestled in the woods or use any of the park's 95 campsites. There are four picnic pavilions and strategically placed picnic sites for visitors. An aquatic pavilion overlooks t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Georgia
The University of Georgia (UGA or Georgia) is a Public university, public Land-grant university, land-grant research university with its main campus in Athens, Georgia, United States. Chartered in 1785, it is the oldest public university in the United States. It is the flagship university, flagship school of the University System of Georgia. In addition to the main campuses in Athens with their approximately 470 buildings, the university has two smaller campuses located in Tifton, Georgia, Tifton and Griffin, Georgia, Griffin. The university has two satellite campuses located in Atlanta, Georgia, Atlanta and Lawrenceville, Georgia, Lawrenceville, and residential and educational centers in Washington, D.C., at Trinity College, Oxford, Trinity College of University of Oxford, Oxford University, and in Cortona, Italy. The total acreage of the university in 30 List of counties in Georgia (U.S. state), Georgia counties is . The university is Carnegie Classification of Institutions ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Abbeville, Louisiana
Abbeville is a city in, and the parish seat of, Vermilion Parish, Louisiana, Vermilion Parish, Louisiana, United States. The population was 12,257 at the 2010 United States Census, 2010 census. At the 2020 Population Estimates Program, population estimates program, the population of the city was 11,927. It is located southwest of Lafayette, Louisiana, Lafayette. History Formerly called La Chapelle, the land that became Abbeville was purchased by founding father Père Antoine Désiré Mégret ("Père" is French language, French for "Father"), a Order of Friars Minor Capuchin, Capuchin missionary on July 25, 1843, for $900. There are two hypotheses as to how the town was named. The more generally accepted hypothesis is that Mégret named the town after his Abbeville, home in France. The second hypothesis states that it is a combination of "Abbé" (the French word for "Abbot") for Abbé Mégret, and "ville" (the French word for "Town") – hence Abbé's town. Some support for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iris Nelsonii
''Iris nelsonii'' is a species in the genus ''Iris (plant), Iris'', it is also in the subgenus ''Iris subg. Limniris, Limniris'' and in the series ''Louisiana iris, hexagonae''. It is a rhizomatous perennial plant, perennial, from northern America. It has long drooping, grass-like leaves, tall stems, 10 red-purple flowers. Description ''Iris nelsonii'' spreads into large colonies by rhizomes. It has long and narrow grass-like green leaves, which are often droop and becoming glaucous. They are wide and grow up to long. They do not grow as tall as the stem. The stems grow up to , (28–43 inches) with 2–4 branches. It blooms between April and May (a week or 2 later than ''Iris fulva'' and ''Iris giganticaerulea'') in the UK (June) with up to 10 flowers, that are 4–5 inches across. The large flowers come in a range of shades from red-purple, to bright red to brown, and occasionally yellow. The rare yellows are sometimes called 'Abbeville yellows'. The flowers are often d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gulf Coast
The Gulf Coast of the United States, also known as the Gulf South or the South Coast, is the coastline along the Southern United States where they meet the Gulf of Mexico. The coastal states that have a shoreline on the Gulf of Mexico are Texas, Louisiana, Mississippi, Alabama, and Florida, and these are known as the ''Gulf States''. The economy of the Gulf Coast area is dominated by industries related to energy, petrochemicals, fishing, aerospace, agriculture, and tourism. The large cities of the region are (from west to east) Brownsville, Texas, Brownsville, Corpus Christi, Texas, Corpus Christi, Houston, Galveston, Texas, Galveston, Beaumont, Texas, Beaumont, Lake Charles, Louisiana, Lake Charles, Lafayette, Louisiana, Lafayette, Baton Rouge, Louisiana, Baton Rouge, New Orleans, Gulfport, Mississippi, Gulfport, Biloxi, Mississippi, Biloxi, Mobile, Alabama, Mobile, Pensacola, Florida, Pensacola, Panama City, Florida, Panama City, St. Petersburg, Florida, St. Petersburg, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Swamps
A swamp is a forested wetland.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p. Swamps are considered to be transition zones because both land and water play a role in creating this environment. Swamps vary in size and are located all around the world. The water of a swamp may be fresh water, brackish water, or seawater. Freshwater swamps form along large rivers or lakes where they are critically dependent upon rainwater and seasonal flooding to maintain natural water level fluctuations.Hughes, F.M.R. (ed.). 2003. The Flooded Forest: Guidance for policy makers and river managers in Europe on the restoration of floodplain forests. FLOBAR2, Department of Geography, University of Cambridge, Cambridge, UK. 96 p. Saltwater swamps are found along tropical and subtropical coastlines. Some swamps have hammock (ecology), hammocks, or dry-land protrusions, covered by aquatic vegetation, or vegetation that tolerate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canals
Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface flow under atmospheric pressure, and can be thought of as artificial rivers. In most cases, a canal has a series of dams and locks that create reservoirs of low speed current flow. These reservoirs are referred to as ''slack water levels'', often just called ''levels''. A canal can be called a navigation canal when it parallels a natural river and shares part of the latter's discharges and drainage basin, and leverages its resources by building dams and locks to increase and lengthen its stretches of slack water levels while staying in its valley. A canal can cut across a drainage divide atop a ridge, generally requiring an external water source above the highest elevation. The best-known example of such a canal is the Panama Canal. Many can ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Taxonomy (biology)
In biology, taxonomy () is the science, scientific study of naming, defining (Circumscription (taxonomy), circumscribing) and classifying groups of biological organisms based on shared characteristics. Organisms are grouped into taxon, taxa (singular: taxon), and these groups are given a taxonomic rank; groups of a given rank can be aggregated to form a more inclusive group of higher rank, thus creating a taxonomic hierarchy. The principal ranks in modern use are domain (biology), domain, kingdom (biology), kingdom, phylum (''division'' is sometimes used in botany in place of ''phylum''), class (biology), class, order (biology), order, family (biology), family, genus, and species. The Swedish botanist Carl Linnaeus is regarded as the founder of the current system of taxonomy, having developed a ranked system known as Linnaean taxonomy for categorizing organisms. With advances in the theory, data and analytical technology of biological systematics, the Linnaean system has transfo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
