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Acacia Drepanophylla
''Acacia drepanophylla'' is a tree belonging to the genus ''Acacia'' and the subgenus ''Juliflorae'' that is endemic to western Australia Description The tree typically grows to a height of with fissured, fibrous grey bark. It blooms from May to July producing yellow flowers. The tree oftan has an obconical form with glabrous branchlets and pale-citron-sericeius new shoots. The falcate, linear, widely spreading phyllodes have a length of and a width of . The glabrous phyllodes are not rigid and acuminate to a delicate tip and finely striated with a prominent central nerve. The rudimentary inflorescences rudimentary occur in pairs of flower spikes that are in length and a diameter of composed of pale yellow flowers. The glabrous, flat, linear seed pods are slightly constricted between the seeds. the pods are up to in length and wide and firmly chartaceous to thinly coriaceous. The dull grey to brown seeds found in the pods have a compressed spherical shape with a diameter of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bruce Maslin
Bruce Roger Maslin (born 3 May 1946) is an Australian botanist, known for his work on ''Acacia'' taxonomy. Born in Bridgetown, Western Australia, he obtained an honours degree in botany from the University of Western Australia in 1967, then took up an appointment as a botanist with the Western Australian Herbarium. The following year he was conscripted to serve in the Vietnam War; he gave three years in National Service, serving in Vietnam in 1969. In 1970 he returned to his position at the Western Australian Herbarium, serving in that institution until 1987. During this time he was Australian Botanical Liaison Officer in 1977 and 1978; editor of ''Nuytsia ''Nuytsia floribunda'' is a hemiparasitic tree found in Western Australia. The species is known locally as moodjar and, more recently, the Christmas tree or Western Australian Christmas tree. The display of intensely bright flowers during the ...'' from 1981 to 1983; and acting curator in 1986 and 1987. In 1987, Maslin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acacia Oldfieldii
''Acacia oldfieldii'' is a shrub belonging to the genus ''Acacia'' and the subgenus ''Juliflorae'' that is endemic to western Australia. Description The bushy shrub typically grows to a height of . It has glabrous branchlets and has citron golden-sericeous new growth. Like most species of ''Acacia'' it has phyllodes rather than true leaves. The patent to reflexed evergreen phyllodes have a linear-elliptic to linear-oblanceolate shape and can be straight to shallowly incurved. The thinly coriaceous and glabrous phyllodes have a length of and a width of and have yellow coloured margins and a straight to recurved tip along with many closely parallel non-prominent nerves. It flowers from June to September producing simple inflorescences that are found in pairs in the axils with long cylindrical flower-spikes with a diameter of loosely packed with bright golden coloured flowers. Following flowering thinly crustaceous and glabrous seed pods form that have a linear shape and are rais ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acacias Of Western Australia
''Acacia'', commonly known as the wattles or acacias, is a large genus of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa and Australasia. The genus name is New Latin, borrowed from the Greek (), a term used by Dioscorides for a preparation extracted from the leaves and fruit pods of ''Vachellia nilotica'', the original type of the genus. In his ''Pinax'' (1623), Gaspard Bauhin mentioned the Greek from Dioscorides as the origin of the Latin name. In the early 2000s it had become evident that the genus as it stood was not monophyletic and that several divergent lineages needed to be placed in separate genera. It turned out that one lineage comprising over 900 species mainly native to Australia, New Guinea, and Indonesia was not closely related to the much smaller group of African lineage that contained ''A. nilotica''—the type species. This meant that the Australasian lineage (by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Acacia Species
Several Cladistics, cladistic analyses have shown that the genus ''Acacia sensu lato, Acacia'' is not monophyletic. While the subg. ''Acacia'' and subg. ''Phyllodinae'' are monophyletic, subg. ''Aculeiferum'' is not. This subgenus consists of three clades. Therefore, the following list of ''Acacia'' species cannot be maintained as a single entity, and must either be split up, or broadened to include species previously not in the genus. This genus has been provisionally divided into 5 genus, genera, ''Acacia'', ''Vachellia'', ''Senegalia'', ''Acaciella'' and ''Mariosousa''. The proposed type species of ''Acacia'' is ''Acacia penninervis''. Which of these segregate genera is to retain the name ''Acacia'' has been controversial. The genus was previously typified with the African species ''Acacia scorpioides'' (L.) W.F.Wright, a synonym of ''Acacia nilotica'' (L.) Delile. Under the original typification, the name ''Acacia'' would stay with the group of species currently recognized ... [...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] |
Shark Bay
Shark Bay (Malgana: ''Gathaagudu'', "two waters") is a World Heritage Site in the Gascoyne region of Western Australia. The http://www.environment.gov.au/heritage/places/world/shark-bay area is located approximately north of Perth, on the westernmost point of the Australian continent. UNESCO's official listing of Shark Bay as a World Heritage Site reads: : History The record of Australian Aboriginal occupation of Shark Bay extends to years BP. At that time most of the area was dry land, rising sea levels flooding Shark Bay between BP and BP. A considerable number of aboriginal midden sites have been found, especially on Peron Peninsula and Dirk Hartog Island which provide evidence of some of the foods gathered from the waters and nearby land areas. An expedition led by Dirk Hartog happened upon the area in 1616, becoming the second group of Europeans known to have visited Australia. (The crew of the ''Duyfken'', under Willem Janszoon, had visited Cape York in 1606). ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carnarvon, Western Australia
Carnarvon is a coastal town situated approximately north of Perth, in Western Australia. It lies at the mouth of the Gascoyne River on the Indian Ocean. The popular Shark Bay world heritage area lies to the south of the town and the Ningaloo Reef and the popular tourist town of Exmouth lie to the north. Within Carnarvon is the Mungullah Aboriginal Community. Inland, Carnarvon has strong links with the town of Gascoyne Junction and the Burringurrah Community. At the 2021 census, Carnarvon had a population of 4,879. History The Inggarda people are the traditional owners of the region around Carnarvon. Before European settlement the place now called Carnarvon, located at the mouth of the Gascoyne River, was known as ''Kuwinywardu'' which means "neck of water". Australian-Aboriginals associating with the Carnarvon area typically associate as being Yamatji, traditionally speaking the Wajarri language. The town was founded in 1883, initially as a port and supply centre for the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Western Australia
Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Australia is Australia's largest state, with a total land area of . It is the second-largest country subdivision in the world, surpassed only by Russia's Sakha Republic. the state has 2.76 million inhabitants percent of the national total. The vast majority (92 percent) live in the south-west corner; 79 percent of the population lives in the Perth area, leaving the remainder of the state sparsely populated. The first Europeans to visit Western Australia belonged to the Dutch Dirk Hartog expedition, who visited the Western Australian coast in 1616. The first permanent European colony of Western Australia occurred following the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gascoyne
The Gascoyne region is one of the nine administrative regions of Western Australia. It is located in the northwest of Western Australia, and consists of the local government areas of Carnarvon, Exmouth, Shark Bay and Upper Gascoyne. The Gascoyne has about of Indian Ocean coastline; extends inland about ; and has an area of , Estimated resident population, 30 June 2019. including islands. Population The Gascoyne has the lowest population of any region of Western Australia, with about 9,277 people. The majority of residents are non-Aboriginal people born in Australia (74%). Just over half live in Carnarvon (4,426) where Aboriginal residents account for 18% of the population. Other centres are Exmouth, Denham, Gascoyne Junction and Coral Bay. Climate The Gascoyne has a moderate arid tropical, climate. It is generally warm all year round, with mean maximum daily temperatures ranging from in July to in January. The region receives about 320 days of sunshine per year. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acacia Acuminata
''Acacia acuminata'', known as mangart and jam, is a tree in the family Fabaceae. Endemic to Western Australia, it occurs throughout the south west of the State. It is common in the Wheatbelt, and also extends into the semi-arid interior. Description ''Acacia acuminata'' grows as a tall shrub or small tree growing 3-7m, In ideal conditions it may grow to a height of ten metres, but in most of its distribution it does not grow above five metres. As with most ''Acacia'' species, it has phyllodes rather than true leaves. These are bright green, around ten centimetres long and about ten millimetres wide, and finish in a long point. The lemon yellow flowers are held in tight cylindrical clusters about two centimetres long, flowering occur late winter to spring. The pods are light brown and flattened, about ten centimetres long and five millimetres wide and are present during summer. The nutritional composition of the numerous seeds, a shiny brown-black colour, is 45% protein, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Global Biodiversity Information Facility
The Global Biodiversity Information Facility (GBIF) is an international organisation that focuses on making scientific data on biodiversity available via the Internet using web services. The data are provided by many institutions from around the world; GBIF's information architecture makes these data accessible and searchable through a single portal. Data available through the GBIF portal are primarily distribution data on plants, animals, fungi, and microbes for the world, and scientific names data. The mission of the GBIF is to facilitate free and open access to biodiversity data worldwide to underpin sustainable development. Priorities, with an emphasis on promoting participation and working through partners, include mobilising biodiversity data, developing protocols and standards to ensure scientific integrity and interoperability, building an informatics architecture to allow the interlinking of diverse data types from disparate sources, promoting capacity building and cat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
