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Ixia Dubia
''Ixia dubia'' is an '' Ixia'' species found growing in granite slopes from Piketberg to Caldon, South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. It is bounded to the south by of coastline that stretch along the Atlantic Ocean, South Atlantic and Indian Oceans; to the .... References External links * * dubia Endemic flora of South Africa Plants described in 1803 {{Iridaceae-stub ...
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Ixia
''Ixia'' is a genus of cormous plants native to South Africa from the family Iridaceae. Some of them are known as the corn lily. Some distinctive traits include sword-like leaves and long wiry stems with star-shaped flowers. It usually prefers well-drained soil. The popular corn lily has specific, not very intense fragrance. It is often visited by many insects such as bees. The ''Ixia'' are also used sometimes as ornamental plants. The genus name is derived from the Ancient Greek ἰξία (ixia) ( = χαμαιλέων λευκός, (chamaeleon leukos)), the pine thistle, '' Carlina gummifera'', an unrelated plant in the daisy family, Asteraceae. Species The genus ''Ixia'' includes the following species: *'' Ixia abbreviata'' Houtt. *''Ixia acaulis'' Goldblatt & J.C. Manning *'' Ixia alata'' Goldblatt & J.C.Manning *'' Ixia alticola'' Goldblatt & J.C.Manning *''Ixia altissima'' Goldblatt & J.C.Manning *''Ixia angelae'' Goldblatt & J.C.Manning *'' Ixia atrandra'' Goldblatt ...
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Granite
Granite () is a coarse-grained ( phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies underground. It is common in the continental crust of Earth, where it is found in igneous intrusions. These range in size from dikes only a few centimeters across to batholiths exposed over hundreds of square kilometers. Granite is typical of a larger family of ''granitic rocks'', or '' granitoids'', that are composed mostly of coarse-grained quartz and feldspars in varying proportions. These rocks are classified by the relative percentages of quartz, alkali feldspar, and plagioclase (the QAPF classification), with true granite representing granitic rocks rich in quartz and alkali feldspar. Most granitic rocks also contain mica or amphibole minerals, though a few (known as leucogranites) contain almost no dark minerals. Granite is near ...
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Piketberg
Piketberg (also sometimes spelt Piquetberg in the past) is a town in the Western Cape, South Africa, located about 80 km east of Saldanha Bay. The original spelling of the name was "Piquetberg". The town is in the foothills of the Piketberg mountains, a range of low mountains formed from Table Mountain Sandstone. The area around the mountains is conducive to the farming of wheat, while the area on top of the mountains, being cooler and generally frost-free, is suited to the farming of fruit and Rooibos Tea. Piketberg possesses a large Dutch Reformed Church designed by the architect Carl Otto Hager in his trademark neo-Gothic style. History The area was inhabited by the Khoikhoi and the San before the arrival of 21 Dutch, Huguenot and German families in 1705-06, and there is still well-preserved San rock art in the mountains. There was once a small military post in the town to protect the livestock of farmers from raids by the Khoikhoi. By the 1730s the population had grown ...
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South Africa
South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. It is bounded to the south by of coastline that stretch along the Atlantic Ocean, South Atlantic and Indian Oceans; to the north by the neighbouring countries of Namibia, Botswana, and Zimbabwe; and to the east and northeast by Mozambique and Eswatini. It also completely Enclave and exclave, enclaves the country Lesotho. It is the southernmost country on the mainland of the Old World, and the List of countries and dependencies by population, second-most populous country located entirely south of the equator, after Tanzania. South Africa is a biodiversity hotspot, with unique biomes, plant and animal life. With over Demographics of South Africa, 60 million people, the country is the world's List of countries and dependencies by population, 24th-most populous nation and covers an area of . South Africa has three capital cities, with the executive, judicial and le ...
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Endemic Flora Of South Africa
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, the Cape sugarbird is found exclusively in southwestern South Africa and is therefore said to be ''endemic'' to that particular part of the world. An endemic species can be also be referred to as an ''endemism'' or in scientific literature as an ''endemite''. For example '' Cytisus aeolicus'' is an endemite of the Italian flora. '' Adzharia renschi'' was once believed to be an endemite of the Caucasus, but it was later discovered to be a non-indigenous species from South America belonging to a different genus. The extreme opposite of an endemic species is one with a cosmopolitan distribution, having a global or widespread range. A rare alternative term for a species that is endemic is "precinctive", which applies to ...
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