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Birdflower
''Crotalaria cunninghamii'', also known as green bird flower, bird flower ratulpo, parrot pea, or regal bird flower, is a plant of the legume family Fabaceae, named ''Crotalaria'' after the Greek word for rattle because their seeds rattle, and ''cunninghamii'' after early 19th-century botanist Allan Cunningham. ''Crotalaria cunninghamii'' is known as Mangarr to the Nyangumarta Warrarn Indigenous group.Kalpers, J., 2016. Traditional Ecological Knowledge of Nyangumarta Warrarn Indigenous Protected Area. nlineYmac.org.au. Available at: ccessed 31 May 2021 ''Crotalaria cunninghamii'' is a short-lived perennial plant native to Australia, and its habitat is the deserts, coastlands, drainage lines, and sand dunes of the northern half of Western Australia and the Northern Territory. This habitat is semi-arid to temperate regions in well-drained soils. ''Crotalaria cunninghamii'' blooms from January to April. It is pollinated by large bees and by honeyeaters. Identification ''Crotal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Little Sandy Desert
The Little Sandy Desert (LSD) is a desert region in the state of Western Australia, lying to the east of the Pilbara and north of the Gascoyne regions. It is part of the Western Desert cultural bloc, Western Desert cultural region, and was declared an Interim Biogeographic Regionalisation for Australia, interim Australian bioregion in the 1990s. History Indigenous Australians, Indigenous groups that have identified with the region include the Mandilara, an Aboriginal Australian group who are regarded as the traditional owners of the land. Today the group recognised as traditional owners are the Martu people. The desert is crossed by the Canning Stock Route, an historic stock route created in the early 20th century. Description The Little Sandy Desert covers around and adjoins the Great Sandy Desert (, to the north) and the Gibson Desert (, to the east), all of which lie within the huge Australian Arid Zone which covers the centre of the Australian continent. It lies east of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crotalaria Cunninghamii
''Crotalaria cunninghamii'', also known as green bird flower, bird flower ratulpo, parrot pea, or regal bird flower, is a plant of the legume family Fabaceae, named ''Crotalaria'' after the Greek word for rattle because their seeds rattle, and ''cunninghamii'' after early 19th-century botanist Allan Cunningham. ''Crotalaria cunninghamii'' is known as Mangarr to the Nyangumarta Warrarn Indigenous group.Kalpers, J., 2016. Traditional Ecological Knowledge of Nyangumarta Warrarn Indigenous Protected Area. nlineYmac.org.au. Available at: ccessed 31 May 2021 ''Crotalaria cunninghamii'' is a short-lived perennial plant native to Australia, and its habitat is the deserts, coastlands, drainage lines, and sand dunes of the northern half of Western Australia and the Northern Territory. This habitat is semi-arid to temperate regions in well-drained soils. ''Crotalaria cunninghamii'' blooms from January to April. It is pollinated by large bees and by honeyeaters. Identification ''Crotal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Robert Brown (botanist, Born 1773)
Robert Brown (21 December 1773 – 10 June 1858) was a Scottish botanist and paleobotanist who made important contributions to botany largely through his pioneering use of the microscope. His contributions include one of the earliest detailed descriptions of the cell nucleus and cytoplasmic streaming; the observation of Brownian motion; early work on plant pollination and fertilisation, including being the first to recognise the fundamental difference between gymnosperms and angiosperms; and some of the earliest studies in palynology. He also made numerous contributions to plant taxonomy, notably erecting a number of plant families that are still accepted today; and numerous Australian plant genera and species, the fruit of his exploration of that continent with Matthew Flinders. Early life Robert Brown was born in Montrose, Scotland on 21 December 1773, in a house that existed on the site where Montrose Library currently stands. He was the son of James Brown, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carcinogen
A carcinogen () is any agent that promotes the development of cancer. Carcinogens can include synthetic chemicals, naturally occurring substances, physical agents such as ionizing and non-ionizing radiation, and biologic agents such as viruses and bacteria. Most carcinogens act by creating mutations in DNA that disrupt a cell's normal processes for regulating growth, leading to uncontrolled cellular proliferation. This occurs when the cell's DNA repair processes fail to identify DNA damage allowing the defect to be passed down to daughter cells. The damage accumulates over time. This is typically a multi-step process during which the regulatory mechanisms within the cell are gradually dismantled allowing for unchecked cellular division. The specific mechanisms for carcinogenic activity is unique to each agent and cell type. Carcinogens can be broadly categorized, however, as activation-dependent and activation-independent which relate to the agent's ability to engage dir ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mutagen
In genetics, a mutagen is a physical or chemical agent that permanently changes genetic material, usually DNA, in an organism and thus increases the frequency of mutations above the natural background level. As many mutations can cause cancer in animals, such mutagens can therefore be carcinogens, although not all necessarily are. All mutagens have characteristic mutational signatures with some chemicals becoming mutagenic through cellular processes. The process of DNA becoming modified is called mutagenesis. Not all mutations are caused by mutagens: so-called "spontaneous mutations" occur due to spontaneous hydrolysis, errors in DNA replication, repair and recombination. Discovery The first mutagens to be identified were carcinogens, substances that were shown to be linked to cancer. Tumors were described more than 2,000 years before the discovery of chromosomes and DNA; in 500 B.C., the Greek physician Hippocrates named tumors resembling a crab ''karkinos'' (from which the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Retronecine
Retronecine is a pyrrolizidine alkaloid found in a variety of plants in the genera ''Senecio'' and ''Crotalaria'', and the family Boraginaceae. It is the most common central core for other pyrrolizidine alkaloids. See also * Heliotridine, the enantiomer In chemistry, an enantiomer (Help:IPA/English, /ɪˈnænti.əmər, ɛ-, -oʊ-/ Help:Pronunciation respelling key, ''ih-NAN-tee-ə-mər''), also known as an optical isomer, antipode, or optical antipode, is one of a pair of molecular entities whi ... of retronecine References Pyrrolizidine alkaloids {{alkaloid-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pyrrolizidine Alkaloid
Pyrrolizidine alkaloids (PAs), sometimes referred to as necine bases, are a group of naturally occurring alkaloids based on the structure of pyrrolizidine. Their use dates back centuries and is intertwined with the discovery, understanding, and eventual recognition of their toxicity on humans and animals. History PAs were first discovered in plants in the 19th century, but their toxic effects were not immediately recognized. Instead, many PA-containing plants were traditionally used for medicinal purposes in various cultures around the world. For example, herbs containing PAs were used in traditional Chinese medicine and by Native American tribes for their purported therapeutic properties. It has been estimated that 3% of the world's flowering plants contain pyrrolizidine alkaloids. Honey can contain pyrrolizidine alkaloids, as can grains, milk, offal and eggs. To date (2011), there is no international regulation of PAs in food, unlike those for herbs and medicines. In the earl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Homeopathic
Homeopathy or homoeopathy is a pseudoscientific system of alternative medicine. It was conceived in 1796 by the German physician Samuel Hahnemann. Its practitioners, called homeopaths or homeopathic physicians, believe that a substance that causes symptoms of a disease in healthy people can cure similar symptoms in sick people; this doctrine is called '' similia similibus curentur'', or "like cures like". Homeopathic preparations are termed ''remedies'' and are made using homeopathic dilution. In this process, the selected substance is repeatedly diluted until the final product is chemically indistinguishable from the diluent. Often not even a single molecule of the original substance can be expected to remain in the product. Between each dilution homeopaths may hit and/or shake the product, claiming this makes the diluent "remember" the original substance after its removal. Practitioners claim that such preparations, upon oral intake, can treat or cure disease. All relevan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Australian Native Plants Society
The Australian Native Plants Society (Australia) (ANPSA) is a federation of seven state-based member organisations for people interested in Australia's native flora, both in aspects of conservation and in cultivation. A national conference is held biennially for members of the state-based societies. The combined membership is around 9000 people. History The Society for Growing Australian Plants (SGAP) was established in 1957 by a group of people who "pledged to promote the establishment and breeding of Australian native plants for garden, park and farm". By 1958 active regional Societies had been established in six States and the ACT with the Federal Association (ASGAP) being formed in 1962. Initially the focus was on growing and learning about Australian flora more for home and amenities plantings – members included botanists and horticulturists as well as enthusiastic laypeople. As time has gone on, there has been an increasing focus on conservation, and advocacy for cons ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Journal Of Ethnobiology And Ethnomedicine
BioMed Central (BMC) is a United Kingdom-based, for-profit scientific open access publisher that produces over 250 scientific journals. All its journals are published online only. BioMed Central describes itself as the first and largest open access science publisher. It was founded in 2000 and has been owned by Springer, now Springer Nature, since 2008. History BioMed Central was founded in 2000 as part of the Current Science Group (now Science Navigation Group, SNG), a nursery of scientific publishing companies. SNG chairman Vitek Tracz developed the concept for the company after NIH director Harold Varmus's PubMed Central concept for open-access publishing was scaled back. The first director of the company was Jan Velterop. Chemistry Central was established in 2006 and the PhysMath Central journal imprint in 2007. In 2002, the company introduced article processing charges, and these have since been the primary source of revenue. In 2007, Yale University Libraries stopped s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aboriginal Australians
Aboriginal Australians are the various indigenous peoples of the Mainland Australia, Australian mainland and many of its islands, excluding the ethnically distinct people of the Torres Strait Islands. Humans first migrated to Australia (continent), Australia 50,000 to 65,000 years ago, and over time formed as many as 500 List of Aboriginal Australian group names, language-based groups. In the past, Aboriginal people lived over large sections of the continental shelf. They were isolated on many of the smaller offshore islands and Tasmania when the land was inundated at the start of the Holocene Interglacial, inter-glacial period, about 11,700 years ago. Despite this, Aboriginal people maintained extensive networks within the continent and certain groups maintained relationships with Torres Strait Islanders and the Makassar people, Makassar people of modern-day Indonesia. Over the millennia, Aboriginal people developed complex trade networks, inter-cultural relationships, law ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The West Australian
''The West Australian'' is the only locally edited daily newspaper published in Perth, Western Australia. It is owned by Seven West Media (SWM), as is the state's other major newspaper, ''The Sunday Times''. It is the second-oldest continuously produced newspaper in Australia, having been published since 1833. It tends to have conservative leanings, and has mostly supported the Liberal–National Party Coalition. It has Australia's largest share of market penetration (84% of WA) of any newspaper in the country. Content ''The West Australian'' publishes international, national and local news. , newsgathering was integrated with the TV news and current-affairs operations of '' Seven News'', Perth, which moved its news staff to the paper's Osborne Park premises. SWM also publishes two websites from Osborne Park—thewest.com.au and PerthNow. The daily newspaper includes lift-outs including Play Magazine, The Guide, West Weekend, and Body and Soul. Thewest.com.au is the online ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
