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Ptilotus Latifolius
''Ptilotus latifolius'', the tangled mulla mulla, is a perennial herb that is native to Australia, which grows abundantly on sand dunes and stony plains. The key diagnostic features of this plant are its very stem bound, shrub like appearance with densely clustered white white flowers with pink tips when newly blossomed. Each stem is generally supported by one to two leaves and the stems have a fluffy textures as well as the flowers. The petiole is generally long in this species and spike bound. Taxonomy ''Ptilotus latifolius'' is a part of the ''Ptilotus ''Ptilotus'' R.Br. is a genus of approximately 120 species of annual and perennial herbs and shrubs in the family Amaranthaceae. All species are native to mainland Australia, although one species, '' Ptilotus spathulatus'' (R.Br.) Poir., also occ ...'' genus which consists of approximately 120 species of annual and perennial herbs and scrubs in the family Amaranthaceae. All species are native to mainland Australia with most ... [...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 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 minister in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alfred James Ewart
Alfred James Ewart, FRS (12 February 1872 – 12 September 1937) was an English-Australian botanist. Early life and education Ewart was born in Toxteth Park, Liverpool, England, second son of Edmund Brown Ewart, B.A. and his wife, Martha ''née'' Williams. He was educated at the Liverpool Institute and University College, Liverpool, then graduated with a Ph.D. from Leipzig University and D.Sc. from Oxford. Career Ewart was a demonstrator of botany at Liverpool, and subsequently Science Master at King Edward's School, Birmingham, and lecturer on botany at Birmingham University, where he was for a time deputy professor. In 1905 Ewart was appointed Professor of Botany at the University of Melbourne. He had already completed a laborious and useful piece of work, his translation of Wilhelm Pfeffer's treatise on ''The Physiology of Plants'', the first volume of which was published in 1900, the second in 1903, and the third in 1906. He had also published ''First Stage Botany'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olive Blanche Davies
Olive Blanche Davies MSc (27 October 1884 – 1976/7) was an Australian botanist and botanical artist, noted for being co-author with Alfred Ewart of their 1917 book ''The Flora of the Northern Territory'', and for producing many of the illustrations. Olive was born Toorak, Victoria, the youngest of six children of Elizabeth Locke Mercer (*c1850) from Kirkcudbright and Sir Matthew Henry Davies (1850-1912) of Geelong. She was a government research scholar studying biology at Melbourne University, and wrote a paper in 1911 on Petterd's semi-slu''Cystopelta petterdi'' and another in 1914 o''Caryodes dufresnii'' a large land mollusk native to Tasmania. On 22 December 1915 at 'Cluden', in Brighton, Australia, Olive Blanche Davies married Arthur Lyle Rossiter, a lieutenant in the Australian Expeditionary Force, and elder son of Edward Lyle Rossiter of Elsternwick. Arthur had been born in 1888 in Ballarat By the end of World War I he had risen to the rank of captain, and after the w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Perennial Herb
A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also widely used to distinguish plants with little or no woody growth (secondary growth in girth) from trees and shrubs, which are also technically perennials. Perennialsespecially small flowering plantsthat grow and bloom over the spring and summer, die back every autumn and winter, and then return in the spring from their rootstock or other overwintering structure, are known as herbaceous perennials. However, depending on the rigours of local climate (temperature, moisture, organic content in the soil, microorganisms), a plant that is a perennial in its native habitat, or in a milder garden, may be treated by a gardener as an annual and planted out every year, from seed, from cuttings, or from divisions. Tomato vines, for example, live several yea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of Australia
The flora of Australia comprises a vast assemblage of plant species estimated to over 30,000 vascular and 14,000 non-vascular plants, 250,000 species of fungi and over 3,000 lichens. The flora has strong affinities with the flora of Gondwana, and below the family level has a highly endemic angiosperm flora whose diversity was shaped by the effects of continental drift and climate change since the Cretaceous. Prominent features of the Australian flora are adaptations to aridity and fire which include scleromorphy and serotiny. These adaptations are common in species from the large and well-known families Proteaceae (''Banksia''), Myrtaceae (''Eucalyptus'' - gum trees), and Fabaceae (''Acacia'' - wattle). The arrival of humans around 50,000 years ago and the settlement by Europeans from 1788, has had a significant impact on the flora. The use of fire-stick farming by Aboriginal people led to significant changes in the distribution of plant species over time, and the large-sca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ptilotus
''Ptilotus'' R.Br. is a genus of approximately 120 species of annual and perennial herbs and shrubs in the family Amaranthaceae. All species are native to mainland Australia, although one species, '' Ptilotus spathulatus'' (R.Br.) Poir., also occurs in Tasmania and another, '' Ptilotus conicus'' R.Br., in Malesia on the islands of Flores and Timor. Most of the diversity is in Western Australia, particularly in the Pilbara. Common names for species in this genus include mulla mulla, foxtails, pussy tails and lamb's tails. The genus was first formally described by botanist Robert Brown in ''Prodromus Florae Novae Hollandiae'' in 1810. In family-level phylogenetic studies, ''Ptilotus'' has been placed within a clade informally known as the 'aervoids'. It has been resolved as monophyletic and is closely related to '' Aerva'' Forssk. An interactive key to the species of ''Ptilotus'' is available at KeyBase. Species Conservation status A number of ''Ptilotus'' species are listed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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