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Grevillea Pterifolia
''Grevillea'', commonly known as spider flowers, is a genus of about 360 species of evergreen flowering plants in the family Proteaceae. Plants in the genus ''Grevillea'' are shrubs, rarely trees, with the leaves arranged alternately along the branches, the flowers zygomorphic, arranged in racemes at the ends of branchlets, and the fruit a follicle that splits down one side only, releasing one or two seeds. Description Plants in the genus ''Grevillea'' are shrubs, rarely small trees with simple or compound leaves arranged alternately along the branchlets. The flowers are zygomorphic and typically arranged in pairs along a sometimes branched raceme at the ends of branchlets. The flowers are bisexual, usually with four tepals in a single whorl. There are four stamens and the gynoecium has a single carpel. The fruit is a thin-walled follicle that splits down only one side, releasing one or two seeds before the next growing season. Taxonomy The genus ''Grevillea'' was first form ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grevillea Banksii
''Grevillea banksii'', commonly known as Banks' grevillea, Byfield waratah, red flowered silky oak and dwarf silky oak, and in Hawaii as kāhili flower, is a species of flowering plant in the family Proteaceae and is endemic to Queensland. It is an erect shrub or slender tree with divided leaves with four to twelve narrow lobes, and creamy white to bright scarlet and yellow flowers. Description ''Grevillea banksii'' is an erect, bushy to spindly shrub or slender tree that typically grows to a height of . It has mostly divided leaves with four to twelve narrowly elliptic to linear lobes long and wide with the edges turned down or rolled under. The flowers are arranged in more or less cylindrical groups near the ends of branches, each flower on a pedicel long along a rachis long, and are creamy-white or bright scarlet to crimson. The pistil is long and usually glabrous. Flowering occurs from August to October and the fruit is a glabrous follicle long. Taxonomy ''Grevillea b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Whorl (botany)
In botany, a whorl or verticil is an arrangement of leaves, sepals, petals, stamens, or carpels that radiate from a single point and surround or wrap around the stem or stalk. A leaf whorl consists of at least three elements; a pair of opposite leaves is not called a whorl. For leaves to grow in whorls is fairly rare except in plant species with very short internodes and some other genera (Galium, Nerium, Elodea etc.). Leaf whorls occur in some trees such as ''Brabejum stellatifolium'' and other species in the family Proteaceae (e.g., in the genus ''Banksia''). In plants such as these, crowded internodes within the leaf whorls alternate with long internodes between the whorls. The morphology of most flowers (called cyclic flowers) is based on four types of whorls: # The calyx: zero or more whorls of sepals at the base # The corolla: zero or more whorls of petals above the calyx # The androecium: zero or more whorls of stamens, each comprising a filament and an anther # The gyn ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grevillea Papuana
''Grevillea papuana'' is a tree species in the family Proteaceae. It is endemic to New Guinea. The species was formally described in 1916 by German botanist Ludwig Diels Dr. Friedrich Ludwig Emil Diels (24 September 1874 – 30 November 1945) was a German botanist. Diels was born in Hamburg, the son of the classical scholar Hermann Alexander Diels. From 1900 to 1902 he traveled together with Ernst Georg Prit .... References papuana Flora of New Guinea Plants described in 1916 Endemic flora of New Guinea {{proteaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grevillea Elbertii
''Grevillea elbertii'' is a tree species in the family Proteaceae. It is endemic to Sulawesi in Indonesia. It has green flowers which appear in October in the species' native range. The species was first formally described by botanist Hermann Otto Sleumer in ''Blumea ''Blumea'' is a genus of flowering plants of the family Asteraceae. Characteristics Genus ''Blumea'' is found in the tropical and sub-tropical zones of Asia, especially the Indian Subcontinent and Southeast Asia. A few species are found in Aust ...'' in 1955. References elbertii Endemic flora of Sulawesi Trees of Sulawesi {{proteaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grevillea Meisneri
''Grevillea meisneri'' is a shrub in the family Proteacae. It is endemic to New Caledonia. It is a manganese accumulator.Jaffré, T. (1979) Accumulation du manganèse par les Protéacées de Nouvelle-Calédonie. Compte Rendus de l’Académie des Sciences de Paris 289, 425–428. The species name honors botanist Carl Meissner Carl Daniel Friedrich Meissner (1 November 1800 – 2 May 1874) was a Swiss botanist. Biography Born in Bern, Switzerland on 1 November 1800, he was christened Meisner but later changed the spelling of his name to Meissner. For most of his 40 .... Description ''Grevillea meisneri'' grows up to in height. References meisneri Endemic flora of New Caledonia {{Proteaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grevillea Gillivrayi
''Grevillea gillivrayi'' is a shrub or small tree in the family Proteacae. It is endemic to New Caledonia ) , anthem = "" , image_map = New Caledonia on the globe (small islands magnified) (Polynesia centered).svg , map_alt = Location of New Caledonia , map_caption = Location of New Caledonia , mapsize = 290px , subdivision_type = Sovereign st .... The species grows up to 10 metres in height It is a manganese accumulator.Jaffré, T. (1979) Accumulation du manganèse par les Protéacées de Nouvelle-Calédonie. Compte Rendus de l’Académie des Sciences de Paris 289, 425–428. References gillivrayi Endemic flora of New Caledonia Taxa named by William Jackson Hooker {{Proteaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grevillea Exul
''Grevillea exul'' is a species of flowering plant in the family Proteacae, endemic to New Caledonia. It grows up to 10 metres in height and has narrow lanceolate to elliptic leaves which have a blunt apex. The flowers are usually white, followed by follicles which are long and in width. It is a manganese Manganese is a chemical element with the symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese is a transition metal with a multifaceted array of industrial alloy use ... accumulator.Jaffré, T. (1979) Accumulation du manganèse par les Protéacées de Nouvelle-Calédonie. Compte Rendus de l’Académie des Sciences de Paris 289, 425–428. References {{Taxonbar, from=Q5607919 exul ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemic (ecology)
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 s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royal Horticultural Society
The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity. The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr (North Yorkshire), Rosemoor (Devon) and Bridgewater (Greater Manchester); flower shows including the Chelsea Flower Show, Hampton Court Palace Flower Show, Tatton Park Flower Show and Cardiff Flower Show; community gardening schemes; Britain in Bloom and a vast educational programme. It also supports training for professional and amateur gardeners. the president was Keith Weed and the director general was Sue Biggs CBE. History Founders The creation of a British horticultural society was suggested by John Wedgwood (son of Josiah Wedgwood) in 1800. His aims were fairly modest: he wanted to hold regular meetings, allowing the society's members the opportunity to present papers on their horticultural activities and discoveries, to enc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Francis Greville
Charles Francis Greville PC FRS FRSE FLS FSA (12 May 1749 – 23 April 1809) was a British antiquarian, collector and politician who sat in the House of Commons from 1774 to 1790. Early life Greville was the second son of Francis Greville, 1st Earl of Warwick, and his wife, Elizabeth Hamilton, daughter of Lord Archibald Hamilton. George Greville, 2nd Earl of Warwick, and Robert Fulke Greville were his brothers, and he had four sisters. He was brought up in the family home, Warwick Castle. His father had been created Earl Brooke three years before he was born and in 1759 had successfully petitioned to have the prestigious medieval title of a more senior extinct line of his family, Earl of Warwick, conferred on him as the senior male heir of the family and lieutenant of the county. He was educated at the University of Edinburgh from 1764 to 1767. Art collections ;Classical and renaissance artwork Greville lived most of his adult life on a rigid income of £500 a year, gen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Transactions Of The Linnean Society Of London
The Linnean Society of London is a learned society dedicated to the study and dissemination of information concerning natural history, evolution, and taxonomy. It possesses several important biological specimen, manuscript and literature collections, and publishes academic journals and books on plant and animal biology. The society also awards a number of prestigious medals and prizes. A product of the 18th-century enlightenment, the Society is the oldest extant biological society in the world and is historically important as the venue for the first public presentation of the theory of evolution by natural selection on 1 July 1858. The patron of the society was Queen Elizabeth II. Honorary members include: King Charles III of Great Britain, Emeritus Emperor Akihito of Japan, King Carl XVI Gustaf of Sweden (both of latter have active interests in natural history), and the eminent naturalist and broadcaster Sir David Attenborough. History Founding The Linnean Society ... [...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] |
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