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Pterostylis Irwinii
''Pterostylis irwinii'' is a species of greenhood orchid endemic to New Zealand. Flowering plants have erect, linear leaves on the flowering stem while non-flowering plants have a rosette of egg-shaped leaves. There is a single green flower with translucent white stripes and reddish-brown tips. Description ''Pterostylis irwinii'' is a terrestrial, perennial, deciduous, herb with an underground tuber and which often grows in loose colonies. Non-flowering plants have a rosette of two or three, more or less egg-shaped leaves which are long and wide. Flowering plants have a single flower long and wide on a reddish flowering stem tall with three to five stem leaves with their bases wrapped around the stem. The stem leaves are linear to lance-shaped, long and wide. The dorsal sepal and petals are fused, forming a hood or "galea" over the column. The dorsal sepal is long, wide and has a rough surface. It is erect near its base, then curves forward with the dorsal sep ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nelson, New Zealand
(Let him, who has earned it, bear the palm) , image_map = Nelson CC.PNG , mapsize = 200px , map_caption = , coordinates = , coor_pinpoint = , coordinates_footnotes = , subdivision_type = Country , subdivision_name = New Zealand , subdivision_type1 = Unitary authority , subdivision_name1 = Nelson City , subdivision_type2 = , subdivision_name2 = , established_title1 = Settled by Europeans , established_date1 = 1841 , founder = Arthur Wakefield , named_for = Horatio Nelson , parts_type = Suburbs , p1 = Nelson Central , p2 = Annesbrook , p3 = Atawhai , p4 = Beachville , p5 = Bishopdale , p6 = Britannia Heights , p7 = Enner Gly ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sinus (botany)
In botany, a sinus is a space or indentation between two lobes or teeth, usually on a leaf. The term is also used in mycology. For example, one of the defining characteristics of North American species in the ''Morchella elata'' clade of morels is the presence of a sinus where the cap attaches to the stipe. See also *Leaf shape * Sulcus (morphology) In biological morphology and anatomy, a sulcus (pl. ''sulci'') is a furrow or fissure (Latin ''fissura'', plural ''fissurae''). It may be a groove, natural division, deep furrow, elongated cleft, or tear in the surface of a limb or an organ, ... References Plant morphology Fungal morphology and anatomy {{botany-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Island
The South Island, also officially named , is the larger of the two major islands of New Zealand in surface area, the other being the smaller but more populous North Island. It is bordered to the north by Cook Strait, to the west by the Tasman Sea, and to the south and east by the Pacific Ocean. The South Island covers , making it the world's 12th-largest island. At low altitude, it has an oceanic climate. The South Island is shaped by the Southern Alps which run along it from north to south. They include New Zealand's highest peak, Aoraki / Mount Cook at . The high Kaikōura Ranges lie to the northeast. The east side of the island is home to the Canterbury Plains while the West Coast is famous for its rough coastlines such as Fiordland, a very high proportion of native bush and national parks, and the Fox and Franz Josef Glaciers. The main centres are Christchurch and Dunedin. The economy relies on agriculture and fishing, tourism, and general manufacturing and services. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cape Palliser
Cape Palliser is a promontory on the southern coast of New Zealand's North Island and is the southernmost point of the North Island; it is in fact considerably farther south than Nelson or Blenheim in the South Island. It is located at the eastern end of Palliser Bay, 50 kilometres southeast of Wellington - 100 kilometres by road. A small settlement - Ngawi - is situated near Cape Palliser, where the main income comes from crayfish (southern rock lobster) fishing. Fishing boats are pushed into the sea on their trailers by bulldozers. Kupe's Sail is another feature of Cape Palliser - a triangular upthrust of sedimentary rock shaped like a sail. Maori history and the Kupe legend both feature Cape Palliser. Cape Palliser was named in 1770 by Captain James Cook in honour of his friend Admiral Sir Hugh Palliser of the British Royal Navy. The Cape Palliser Lighthouse Cape Palliser Lighthouse is a lighthouse at Cape Palliser in the Wellington region of the North Island of New Z ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Floodplain
A floodplain or flood plain or bottomlands is an area of land adjacent to a river which stretches from the banks of its channel to the base of the enclosing valley walls, and which experiences flooding during periods of high discharge.Goudie, A. S., 2004, ''Encyclopedia of Geomorphology'', vol. 1. Routledge, New York. The soils usually consist of clays, silts, sands, and gravels deposited during floods. Because the regular flooding of floodplains can deposit nutrients and water, floodplains frequently have high soil fertility; some important agricultural regions, such as the Mississippi river basin and the Nile, rely heavily on the flood plains. Agricultural regions as well as urban areas have developed near or on floodplains to take advantage of the rich soil and fresh water. However, the risk of flooding has led to increasing efforts to control flooding. Formation Most floodplains are formed by deposition on the inside of river meanders and by overbank flow. Whereve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Waimarino River
The Waimarino River is a river of the Waikato Region of New Zealand's North Island. It flows northwest from its origins in the Kaimanawa Forest Park to reach the southern shore of Lake Taupō northeast of Tūrangi Tūrangi is a small town on the west bank of the Tongariro River, 50 kilometres south-west of Taupō on the North Island Volcanic Plateau of New Zealand. It was built to accommodate the workers associated with the Tongariro hydro-electric pow .... See also * List of rivers of New Zealand References Taupō District Rivers of Waikato Rivers of New Zealand {{Waikato-river-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
North Island
The North Island, also officially named Te Ika-a-Māui, is one of the two main islands of New Zealand, separated from the larger but much less populous South Island by the Cook Strait. The island's area is , making it the world's 14th-largest island. The world's 28th-most-populous island, Te Ika-a-Māui has a population of accounting for approximately % of the total residents of New Zealand. Twelve main urban areas (half of them officially cities) are in the North Island. From north to south, they are Whangārei, Auckland, Hamilton, Tauranga, Rotorua, Gisborne, New Plymouth, Napier, Hastings, Whanganui, Palmerston North, and New Zealand's capital city Wellington, which is located at the south-west tip of the island. Naming and usage Although the island has been known as the North Island for many years, in 2009 the New Zealand Geographic Board found that, along with the South Island, the North Island had no official name. After a public consultation, the board officially ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limestone
Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms when these minerals precipitate out of water containing dissolved calcium. This can take place through both biological and nonbiological processes, though biological processes, such as the accumulation of corals and shells in the sea, have likely been more important for the last 540 million years. Limestone often contains fossils which provide scientists with information on ancient environments and on the evolution of life. About 20% to 25% of sedimentary rock is carbonate rock, and most of this is limestone. The remaining carbonate rock is mostly dolomite, a closely related rock, which contains a high percentage of the mineral dolomite, . ''Magnesian limestone'' is an obsolete and poorly-defined term used variously for dolomite, for limes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Base (chemistry)
In chemistry, there are three definitions in common use of the word base, known as Arrhenius bases, Brønsted bases, and Lewis bases. All definitions agree that bases are substances that react with acids, as originally proposed by G.-F. Rouelle in the mid-18th century. In 1884, Svante Arrhenius proposed that a base is a substance which dissociates in aqueous solution to form Hydroxide ions OH−. These ions can react with hydrogen ions (H+ according to Arrhenius) from the dissociation of acids to form water in an acid–base reaction An acid–base reaction is a chemical reaction that occurs between an acid and a base. It can be used to determine pH via titration. Several theoretical frameworks provide alternative conceptions of the reaction mechanisms and their applica .... A base was therefore a metal hydroxide such as Sodium hydroxide, NaOH or Calcium hydroxide, Ca(OH)2. Such aqueous hydroxide solutions were also described by certain characteristic properties. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tongariro National Park
Tongariro National Park (; ) is the oldest national park in New Zealand,Department of Conservation"Tongariro National Park: Features", retrieved 21 April 2013 located in the central North Island. It has been acknowledged by UNESCO as a World Heritage Site of mixed cultural and natural values. Tongariro National Park was the sixth national park established in the world. The active volcanic mountains Ruapehu, Ngauruhoe, and Tongariro are located in the centre of the park. There are a number of Māori religious sites within the park, and many of the park's summits, including Ngauruhoe and Ruapehu, are '' tapu'', or sacred. The park includes many towns around its boundary including Ohakune, Waiouru, Horopito, Pokaka, Erua, National Park Village, Whakapapa skifield and Tūrangi. The Tongariro National Park is home to the famed Tongariro Alpine Crossing, widely regarded as one of the world's best one-day hikes. Geography Location Tongariro National Park covers 786 k ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Erua, New Zealand
Erua is a small town on the North Island Central Plateau in New Zealand. The town is located on New Zealand State Highway 4 immediately to the south of the town of National Park. The town is administered by the Ruapehu District Council and falls within the National Park Ward. It abuts the Erua Forest, a area managed by the Department of Conservation. The Erua Forest includes Tawa, Rimu, Miro and Totara trees. The New Zealand Ministry for Culture and Heritage explains that ''Erua'' means "two", from the Māori word "rua" for "two" and the prefix "e" which is used for numbers between two and nine. Hunting is permitted in the Erua Forest. Pollen analysis was done on samples from the Erua Swamp. The area includes a singletrack bicycle trail. Erua is a rural settlement bordered by protected forestland and is used as a base for exploring the area. The state protected forest was established in 1930. See also * Mount Ruapehu *Erua railway station Erua was a station on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type (biology)
In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to anchor or centralizes the defining features of that particular taxon. In older usage (pre-1900 in botany), a type was a taxon rather than a specimen. A taxon is a scientifically named grouping of organisms with other like organisms, a set that includes some organisms and excludes others, based on a detailed published description (for example a species description) and on the provision of type material, which is usually available to scientists for examination in a major museum research collection, or similar institution. Type specimen According to a precise set of rules laid down in the International Code of Zoological Nomenclature (ICZN) and the International Code of Nomenclature for algae, fungi, and plants (ICN), the scientific name of every taxon is almost al ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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