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Iris Caucasica
''Iris caucasica'' (also known as Caucasian iris)Robert Sweet, Edwin Dalton Smith (1904) is a species of plant in the genus '' Iris'', it is also in the subgenus of Scorpiris. Pronounced as 'kaw-KAS-ee-kuh'. It is a bulbous perennial It was described in 'Commentat. Soc. Phys.' to Caesareae Universitatis Mosquensis of 1808 by Georg Hoffman. It was once confused with iris orchioides, but iris caucasica is a smaller plant, with sessile flowers. Also it has leaves that have white margins. Iris caucasica is an accepted name by the RHS. Habit It has a brown ovoid bulb with fleshy roots. It is similar in form to ''Iris persica''. It has grey green leaves, which are ciliate and that start growing at flowering time. They reach up to 10–12 cm long and l-2 cm wide. The leaves have a faint white margin. It has between 1–4 flowers per stem, normally pale yellow or green and with winged falls. The falls also have a yellow ridge. The flowers are 5–15 cm (2–6 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Georg Franz Hoffmann
Georg Franz Hoffmann was a German botanist and lichenologist. He was born on 13 January 1760 in Marktbreit, Germany, and died on 17 March 1826 in Moscow, Russia. Professional career After graduating from the University of Erlangen in 1786, he worked there between 1787 and 1792 as a professor of botany. Between 1792 and 1803 he was Head of the Botany Department and Director of the Botanical Garden of Göttingen University. Already a famous botanist, in particular for his work on lichens, he settled in Moscow in January 1804 and directed the Department of Botany at University of Moscow, as well as the Botanical garden. Works *''Descriptio et adumbratio plantarum e classe cryptogámica Linnaei qua lichenes dicuntur...'' (1789-1801) *''Vegetabilia cryptogama''. (1790, Erlangen) *''Nomenclator Fungorum''. (1789-1790, two volumes, Berlin) *''Historia salicum, iconibus illustrata''. (1785-1787, Leipzig) *''Deutschlands Flora, oder, Botanisches Taschenbuch (1791, 1795, 1800, and 1804, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tbilisi
Tbilisi ( ; ka, თბილისი ), in some languages still known by its pre-1936 name Tiflis ( ), is the Capital city, capital and the List of cities and towns in Georgia (country), largest city of Georgia (country), Georgia, lying on the banks of the Kura (Caspian Sea), Kura River with a population of approximately 1.5 million people. Tbilisi was founded in the 5th century Anno Domini, AD by Vakhtang I of Iberia, and since then has served as the capital of various Georgian kingdoms and republics. Between 1801 and 1917, then part of the Russian Empire, Tiflis was the seat of the Caucasus Viceroyalty (1801–1917), Caucasus Viceroyalty, governing both the North Caucasus, northern and the Transcaucasia, southern parts of the Caucasus. Because of its location on the crossroads between Europe and Asia, and its proximity to the lucrative Silk Road, throughout history Tbilisi was a point of contention among various global powers. The city's location to this day ensures its p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of The Caucasus
Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms '' gut flora'' or '' skin flora''. Etymology The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century. The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was first made by Jules Thurmann (1849). Prior to this, the two terms were used indiscriminately.Thurmann, J. (1849). ''Essai de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of Azerbaijan
Flora of Azerbaijan or Vegetation of Azerbaijan refers to the plants, trees, flowers which can be found in Azerbaijan. Azerbaijan has a very rich flora, more than 4,500 species of higher plants have been registered in the country. Due to the unique climate in Azerbaijan, the flora is much richer in the number of species than the flora of the other republics of the South Caucasus. About 66% of the species growing in the whole Caucasus can be found in Azerbaijan. The richness of Azerbaijan's flora and the variety of its vegetation results from the variety and richness of its physical-geographic and natural-historic conditions and from its compound history influenced by the remote floristic regions. The floristic areas of Azerbaijan All types of floristic areas- ancient wood, boreal, plain, xerophytic, desert, Caucasian and accidental- exist in Azerbaijan. The representatives of ancient wood type are widely spread in the Talysh region and the location which is suitable for borea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of Armenia
Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms '' gut flora'' or '' skin flora''. Etymology The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century. The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was first made by Jules Thurmann (1849). Prior to this, the two terms were used indiscriminately.Thurmann, J. (1849). ''Essai de Ph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of Turkey
about 9300 species of vascular plant were known to grow in Turkey. By comparison, Europe as a whole contains only about 24% more species (about 11500), despite having thirteen times the area. The most important reasons for the high plant biodiversity are believed to be the relatively high proportion of endemics, together with the high variety of soils and climate of Turkey. Endemism A third of Turkish plant species are endemic to Turkey: one reason there are so many is because the surface of Anatolia is both mountainous and quite fragmented. In fact, the Anatolian mountains resemble archipelagos like the famous Galapagos Islands. Since Darwin we know that geographic isolation between islands or separated mountains is an important means of speciation, leading to high spatial diversity. For Anatolia this assumption is confirmed by concentrations of endemism on highly isolated and relatively old massifs such as Uludağ and Ilgaz Dağ, whereas very young volcanic cones such ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plants Described In 1808
Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclude the fungi and some algae, as well as the prokaryotes (the archaea and bacteria). By one definition, plants form the clade Viridiplantae (Latin name for "green plants") which is sister of the Glaucophyta, and consists of the green algae and Embryophyta (land plants). The latter includes the flowering plants, conifers and other gymnosperms, ferns and their allies, hornworts, liverworts, and mosses. Most plants are multicellular organisms. Green plants obtain most of their energy from sunlight via photosynthesis by primary chloroplasts that are derived from endosymbiosis with cyanobacteria. Their chloroplasts contain chlorophylls a and b, which gives them their green color. Some plants are parasitic or mycotrophic and have lost the ability ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Common Cold
The common cold or the cold is a viral infectious disease of the upper respiratory tract that primarily affects the respiratory mucosa of the nose, throat, sinuses, and larynx. Signs and symptoms may appear fewer than two days after exposure to the virus. These may include coughing, sore throat, runny nose, sneezing, headache, and fever. People usually recover in seven to ten days, but some symptoms may last up to three weeks. Occasionally, those with other health problems may develop pneumonia. Well over 200 virus strains are implicated in causing the common cold, with rhinoviruses, coronaviruses, adenoviruses and enteroviruses being the most common. They spread through the air during close contact with infected people or indirectly through contact with objects in the environment, followed by transfer to the mouth or nose. Risk factors include going to child care facilities, not sleeping well, and psychological stress. The symptoms are mostly due to the body's immune ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Infusion
Infusion is the process of extracting chemical compounds or flavors from plant material in a solvent such as water, oil or alcohol, by allowing the material to remain suspended in the solvent over time (a process often called steeping). An infusion is also the name for the resultant liquid. The process of infusion is distinct from both decoction—a method of extraction involving boiling the plant material—and percolation, in which water is passed through the material (as in a coffeemaker). History The first recorded use of essential oils was in the 10th or 11th century by the Persian polymath Avicenna, possibly in ''The Canon of Medicine''. Tea is far older than this, dating back to the 10th century BC as the earliest recorded reference. Preparation techniques Infusion is a chemical process that uses botanicals (typically dried herbs, flowers or berries) that are volatile and release their active ingredients readily in water, oil, or alcohol. In this process, a liquid i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Michael Foster (physiologist)
Sir Michael Foster (8 March 1836 – 29 January 1907) was an English physiologist. He was instrumental in organizing the Cambridge Biological School and acted as Secretary of the Royal Society. Biography Foster was born in Huntingdon, Huntingdonshire, in March 1836, the son of Michael Foster, FRCS. He was educated at Huntingdon Grammar school and University College School, London. After graduating in medicine in 1859, he began to practise in his native town, but in 1867 he returned to London as teacher of practical physiology at University College London, where two years afterwards he became professor. In 1870 he was appointed by Trinity College, Cambridge, to its praelectorship in physiology, and thirteen years later he became the first occupant of the newly created chair of physiology in the university, holding it till 1903. One of his most famous students at Cambridge was Charles Scott Sherrington who went on to win the Nobel Prize in 1932. He married first, in 1864, Georg ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iran
Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmenistan to the north, by Afghanistan and Pakistan to the east, and by the Gulf of Oman and the Persian Gulf to the south. It covers an area of , making it the 17th-largest country. Iran has a population of 86 million, making it the 17th-most populous country in the world, and the second-largest in the Middle East. Its largest cities, in descending order, are the capital Tehran, Mashhad, Isfahan, Karaj, Shiraz, and Tabriz. The country is home to one of the world's oldest civilizations, beginning with the formation of the Elamite kingdoms in the fourth millennium BC. It was first unified by the Medes, an ancient Iranian people, in the seventh century BC, and reached its territorial height in the sixth century BC, when Cyrus the Great fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
