Dicksonia Youngiae
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Dicksonia Youngiae
''Dicksonia youngiae'', common name bristly tree fern, is a fern that comes from cool, sheltered rainforests in New South Wales and Queensland, Australia. It is found north of the Bellinger River, in New South Wales, and can be seen in the wild at Nightcap National Park. Similar to '' D. squarrosa'', it sends up multiple trunks and can grow 4 m high. The species is relatively fast growing and capable of adding 10 cm of growth to its trunk in a single growing season. Trunks often become unstable when they reach around 3 m in height and topple over. If the trunk is in contact with the ground a new plantlet will often grow from the fallen trunk. ''Dicksonia youngiae'' is not fully hardy and will not tolerate more than a few degrees of frost. Bristly tree fern fronds are a glossy, deep green colour. Coarse, reddish hairs densely cover the stipes and fiddlehead Fiddleheads or fiddlehead greens are the furled fronds of a young fern, harvested for use as a ...
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Royal Botanic Gardens, Sydney
The Royal Botanic Garden, Sydney is a heritage-listed major botanical garden, event venue and public recreation area located at Farm Cove on the eastern fringe of the Sydney central business district, in the City of Sydney local government area of New South Wales, Australia. Opened in 1816, the garden is the oldest scientific institution in Australia and one of the most important historic botanical institutions in the world. The overall structure and key elements were designed by Charles Moore and Joseph Maiden, and various other elements designed and built under the supervision of Allan Cunningham, Richard Cunningham, and Carrick Chambers. The garden is owned by the Government of New South Wales and administered by the Royal Botanic Gardens and Domain Trust. The Botanic Garden, together with the adjacent Domain were added to the New South Wales State Heritage Register on 2 April 1999. The Garden and The Domain are open every day of the year and access is free. Its stunni ...
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John Gilbert Baker
John Gilbert Baker (13 January 1834 – 16 August 1920) was an English botanist. His son was the botanist Edmund Gilbert Baker (1864–1949). Biography Baker was born in Guisborough in North Yorkshire, the son of John and Mary (née Gilbert) Baker, and died in Kew. He was educated at Quaker schools at Ackworth School and Bootham School, York. He then worked at the library and herbarium of the Royal Botanic Gardens, Kew between 1866 and 1899, and was keeper of the herbarium from 1890 to 1899. He wrote handbooks on many plant groups, including Amaryllidaceae, Bromeliaceae, Iridaceae, Liliaceae, and ferns. His published works includ''Flora of Mauritius and the Seychelles''(1877) and ''Handbook of the Irideae'' (1892). He married Hannah Unthank in 1860. Their son Edmund was one of twins, and his twin brother died before 1887. John G. Baker was elected a Fellow of the Royal Society in 1878. He was awarded the Veitch Memorial Medal of the Royal Horticultural Society in 1907. ...
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Fern
A fern (Polypodiopsida or Polypodiophyta ) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. The polypodiophytes include all living pteridophytes except the lycopods, and differ from mosses and other bryophytes by being vascular, i.e., having specialized tissues that conduct water and nutrients and in having life cycles in which the branched sporophyte is the dominant phase. Ferns have complex leaves called megaphylls, that are more complex than the microphylls of clubmosses. Most ferns are leptosporangiate ferns. They produce coiled fiddleheads that uncoil and expand into fronds. The group includes about 10,560 known extant species. Ferns are defined here in the broad sense, being all of the Polypodiopsida, comprising both the leptosporangiate (Polypodiidae) and eusporangiate ferns, the latter group including horsetails, whisk ferns, marattioid ferns, and ophioglossoid ferns. Ferns first ...
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Rainforest
Rainforests are characterized by a closed and continuous tree canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforest can be classified as tropical rainforest or temperate rainforest, but other types have been described. Estimates vary from 40% to 75% of all biotic species being indigenous to the rainforests. There may be many millions of species of plants, insects and microorganisms still undiscovered in tropical rainforests. Tropical rainforests have been called the "jewels of the Earth" and the " world's largest pharmacy", because over one quarter of natural medicines have been discovered there. Rainforests as well as endemic rainforest species are rapidly disappearing due to deforestation, the resulting habitat loss and pollution of the atmosphere. Definition Rainforest are characterized by a closed and continuous tree canopy, high humidity, the presence of moisture-dependent vegetation, a moist layer of lea ...
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New South Wales
) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_date = Colony of New South Wales , established_title2 = Establishment , established_date2 = 26 January 1788 , established_title3 = Responsible government , established_date3 = 6 June 1856 , established_title4 = Federation , established_date4 = 1 January 1901 , named_for = Wales , demonym = , capital = Sydney , largest_city = capital , coordinates = , admin_center = 128 local government areas , admin_center_type = Administration , leader_title1 = Monarch , leader_name1 = Charles III , leader_title2 = Governor , leader_name2 = Margaret Beazley , leader_title3 = Premier , leader_name3 = Dominic Perrottet (Liberal) , national_representation = Parliament of Australia , national_representation_type1 = Senat ...
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Queensland
) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_date = Colony of Queensland , established_title2 = Separation from New South Wales , established_date2 = 6 June 1859 , established_title3 = Federation , established_date3 = 1 January 1901 , named_for = Queen Victoria , demonym = , capital = Brisbane , largest_city = capital , coordinates = , admin_center_type = Administration , admin_center = 77 local government areas , leader_title1 = Monarch , leader_name1 = Charles III , leader_title2 = Governor , leader_name2 = Jeannette Young , leader_title3 = Premier , leader_name3 = Annastacia Palaszczuk ( ALP) , legislature = Parliament of Queensland , judiciary = Supreme Court of Queensland , national_representation = Parliament of Australia , national_representation_type ...
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Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, smaller islands. With an area of , Australia is the largest country by area in Oceania and the world's List of countries and dependencies by area, sixth-largest country. Australia is the oldest, flattest, and driest inhabited continent, with the least fertile soils. It is a Megadiverse countries, megadiverse country, and its size gives it a wide variety of landscapes and climates, with Deserts of Australia, deserts in the centre, tropical Forests of Australia, rainforests in the north-east, and List of mountains in Australia, mountain ranges in the south-east. The ancestors of Aboriginal Australians began arriving from south east Asia approximately Early human migrations#Nearby Oceania, 65,000 years ago, during the Last Glacial Period, last i ...
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Bellinger River
Bellinger River, an open and trained mature wave dominated, barrier estuary, is located in the Mid North Coast region of New South Wales, Australia. Course and features Bellinger River rises below Point Lookout within the Great Dividing Range, southeast of Ebor, and flows in a meandering course generally east, joined by four tributaries including Never Never River, before reaching its mouth at the Tasman Sea of the South Pacific Ocean, east of Urunga. The river descends over its course. Parts of the Bellinger River are contained within the Bellinger River National Park and the New England National Park. Other land uses in the valley include livestock grazing and forestry. Waterfall Way is located adjacent to the middle reaches of the Bellinger River; and towards its mouth, the river is transversed by the Pacific Highway, near Raleigh. A rare Australian turtle, the ''Emydura macquarii'' (or the Bellinger River freshwater turtle), has a restricted distribution in th ...
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Nightcap National Park
The Nightcap National Park is a national park situated within the Nightcap Range in the Northern Rivers region of New South Wales, Australia. The park was created in April 1983 and is situated north of . The national park is classed by the IUCN World Commission on Protected Areas as Category II and is part of the Shield Volcano Group of the World Heritage Site Gondwana Rainforests of Australia inscribed in 1986 and added to the Australian National Heritage List in 2007. Regional geology and climate The park is on the south-eastern edge of the Mount Warning erosion caldera. Creating features of gullies, ridges and a massif of peaks that form the eroded remnants of the Tweed shield volcano. The tallest peak at Nightcap is Mount Burrell also known as Blue Knob with an elevation of 933m above sea level. The Nightcap Range is mostly situated in the park and is a spur off the Great Dividing Range. The basalt and rhyolite lava that once flowed from the Tweed volcano (known as Mount W ...
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Dicksonia Squarrosa
''Dicksonia squarrosa'', the New Zealand tree fern, whekī or rough tree fern, is a common tree fern endemic to New Zealand. It has a slender black trunk that is usually surrounded by many dead brown fronds. Description This species has a fast growth rate of up to a year, growing to about tall. It produces few fronds, all of which sprout in almost horizontal fashion. The fronds reach in length, much smaller than ''Cyathea'' varieties, and are quite crisp to touch. They form a small "umbrella" on top of the trunk. They are sometimes found sprouting from apparently dead pieces of trunk. The trunks are often used for fencing or edging and fronds will sometimes sprout from the side if the top is dead. A feature of the whekī is the spreading underground rhizomes which can create dense groves, making it one of the most common tree ferns in New Zealand forests. The Latin specific epithet ''squarrosa'' means "with curving ends" (referring to the fronds). Human use The whekī is ...
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Stipes
Crucifixion is a method of capital punishment in which the victim is tied or nailed to a large wooden cross or beam and left to hang until eventual death from exhaustion and asphyxiation. It was used as a punishment by the Persians, Carthaginians and Romans, among others. Crucifixion has been used in parts of the world as recently as the twentieth century. The crucifixion of Jesus of Nazareth is central to Christianity, and the cross (sometimes depicting Jesus nailed to it) is the main religious symbol for many Christian churches. Terminology Ancient Greek has two verbs for crucify: (), from (which in today's Greek only means "cross" but which in antiquity was used of any kind of wooden pole, pointed or blunt, bare or with attachments) and () "crucify on a plank", together with ( "impale"). In earlier pre-Roman Greek texts usually means "impale". The Greek used in the Christian New Testament uses four verbs, three of them based upon (), usually translated "cross". T ...
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Fiddlehead
Fiddleheads or fiddlehead greens are the furled fronds of a young fern, harvested for use as a vegetable. Left on the plant, each fiddlehead would unroll into a new frond (circinate vernation). As fiddleheads are harvested early in the season before the frond has opened and reached its full height, they are cut fairly close to the ground. Fiddleheads contain a compound associated with bracken toxicity. The fiddlehead resembles the curled ornamentation (called a ''scroll'') on the end of a stringed instrument, such as a fiddle. It is also called a crozier, after the curved staff used by bishops, which has its origins in the shepherd's crook. Varieties The fiddleheads of certain ferns are eaten as a cooked leaf vegetable. The most popular of these are: * Bracken, ''Pteridium aquilinum'', found worldwide (Toxic if not cooked fully) * Ostrich fern, ''Matteuccia struthiopteris'', found in northern regions worldwide, and the central/eastern part of North America '' (See heal ...
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