The Rafflesia - The largest individual flower
Rafflesia arnoldii is a member of the genus Rafflesia. It is noted for producing the largest individual flower on earth, and a strong odor of decaying flesh - the latter point earning it the nickname of "corpse flower". It occurs only in the rainforests of Sumatra and Borneo in the Indonesian Archipelago. Although there are some plants with larger flowering organs like the Titan Arum and Talipot palm, those are technically clusters of many flowers.
Description
Several species of Rafflesia grow in the jungles of southeast Asia, including the Philippines. Many of them are threatened or endangered. The flower of Rafflesia arnoldii is the largest which attains a diameter of nearly one meter (3 ft) and can weigh up to 11 kilograms (24 lb).
It lives as a parasite on the Tetrastigma vine, which grows only in primary (undisturbed) rainforests. Rafflesia lacks any observable leaves, stems or even roots, yet is still considered a vascular plant. Similar to fungi, individuals grow as thread-like strands of tissue completely embedded within and in intimate contact with surrounding host cells from which nutrients and water are obtained. Perhaps the only part of Rafflesia that is identifiable as distinctly plant-like are the flowers; although, even these are unusual since they attain massive proportions, have a reddish-brown coloration and stink of rotting flesh, which is why it was nicknamed the "corpse flower". This scent attracts insects such as flies which then pollinate the rare plant. It is not to be confused with the Titan Arum, Amorphophallus titanum, which is also commonly referred to as the "corpse flower".
Reproduction
Rafflesia arnoldii is rare and fairly hard to locate. It is especially difficult to locate the flower in forests as the buds take many months to develop and the flower lasts for just a few days. The flowers are unisexual and thus proximity of male and female flowers is vital for successful pollination. These factors make successful pollination a rare event.
Survival
How many of these plants still survive is unknown, but as the remaining primary forests of Borneo and Sumatra disappear, it can only be assumed that their numbers are dwindling. Many are known to be nearing extinction. Some environmentalists are thinking of a way to recreate the species' environment, in an effort to stimulate a recovery in the population of this endangered species. This has proved unsuccessful so far, but the efforts have continued. Steps are also being taken to conserve the forests of Sumatra and Borneo.
Other interesting website about The Rafflesia : parasiticplants
Source : Wikipedia
Anna Mitchell-Hedges and a Crystal Skull.
The Largest Flower in the World
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Titan Arum aka The Corpse Flower
The titan arum or Amorphophallus titanum (from Ancient Greek amorphos, "without form, misshapen" + phallos, "penis", and titan, "giant") is a flowering plant with the largest unbranched inflorescence in the world. The largest single flower is borne by the Rafflesia arnoldii; the largest branched inflorescence in the plant kingdom belongs to the Talipot palm (Corypha umbraculifera). It thrives at the edges of rainforests near open grasslands. Though found in many botanic gardens around the world it is still indigenous only to the tropical forests of Sumatra. Due to its fragrance, which is reminiscent of the smell of a decomposing mammal, the titan arum is also known as a carrion flower, the "Corpse flower", or "Corpse plant" (in Indonesian, "bunga bangkai" – bunga means flower, while bangkai means corpse or cadaver; for the same reason, the same title is also attributed to Rafflesia which, like the titan arum, also grows in the rainforests of Sumatra).
The popular name titan arum was invented by the broadcaster and naturalist Sir David Attenborough, for his BBC TV series The Private Life of Plants, in which the flowering and pollination of the plant were filmed for the first time. Attenborough felt that constantly referring to the plant as Amorphophallus on a popular TV documentary would be inappropriate.
Description
The titan arum's inflorescence can reach over 3 metres (10 ft) in circumference. Like the related cuckoo pint and calla lily, it consists of a fragrant spadix of flowers wrapped by a spathe, which looks like the flower's single petal. In the case of the Titan Arum, the spathe is green on the outside and dark burgundy red on the inside, and deeply furrowed. The spadix is hollow and resembles a large loaf of French bread. The upper, visible portion of the spadix is covered in pollen, while its lower extremity is spangled with bright red-orange carpels. The "fragrance" of the inflorescence resembles rotting meat, attracting carrion-eating beetles and Flesh Flies (family Sarcophagidae) that pollinate it. The flower's deep red color and texture contribute to the illusion that the spathe is a piece of meat. During bloom, the tip of the spadix is approximately human body temperature, which helps the perfume volatilize; this heat is also believed to assist in the illusion that attracts carcass-eating insects.
Both male and female flowers grow in the same inflorescence. The female flowers open first, then a day or two following, the male flowers open. This prevents the flower from self-pollinating.
After the flower dies back, a single leaf, which reaches the size of a small tree, grows from the underground corm. The leaf grows on a semi-green stalk that branches into three sections at the top, each containing many leaflets. The leaf structure can reach up to 6 metres (20 ft) tall and 5 metres (16 ft) across. Each year, the old leaf dies and a new one grows in its place. When the corm has stored enough energy, it becomes dormant for about 4 months. Then, the process repeats.
The corm is the largest known, weighing around 50 kilograms (110 lb).When a specimen at the Princess of Wales Conservatory, Kew Gardens, was repotted after its dormant period, the weight was recorded as 91 kilograms (200 lb).
Cultivation
The titan arum grows in the wild only in the equatorial rainforests of Sumatra, Indonesia. It was first scientifically described in 1878 by Italian botanist Odoardo Beccari. The plant flowers only infrequently in the wild and even more rarely when cultivated. It first flowered in cultivation at the Royal Botanic Gardens at Kew in London, in 1889, with over 100 cultivated blossoms since then. The first documented flowerings in the United States were at New York Botanical Garden in 1937 and 1939. This flowering also inspired the designation of the titan arum as the official flower of the Bronx in 1939, only to be replaced in 2000 by the day lily. The number of cultivated plants has increased in recent years, and it is not uncommon for there to be five or more flowering events in gardens around the world in a single year. The titan arum is more commonly available to the advanced gardener due to pollination techniques.
Until 2005, the tallest bloom in cultivation, some 2.74 m (8 ft. 11 in.) high, was achieved at the Botanical Garden of the University of Bonn in Germany in 2003. The event was acknowledged by the Guinness Book of Records.
On 20 October 2005, this record was broken at the botanical and zoological garden Wilhelma in Stuttgart, Germany. The bloom reached a height of 2.94 m (9 ft. 6 in.).
Other interesting website about The titan arum : Howtogrow
Source : Wikipedia
The Titan arum Aka The Corpse Flower
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![Inuktjuit [Inuksuit] (man like) stone monuments for Caribou drive. Dismal Lake west of "Narrows" March 25, 1911
pic by Rudolph Martin Anderson](Inukshuk_18.jpg "Inuktjuit [Inuksuit] (man like) stone monuments for Caribou drive. Dismal Lake west of \"Narrows\" March 25, 1911
pic by Rudolph Martin Anderson")
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The Inukshuk
An inuksuk (plural inuksuit) (from the Inuktitut: ᐃᓄᒃᓱᒃ, plural ᐃᓄᒃᓱᐃᑦ; alternatively inukshuk in English or inukhuk in Inuinnaqtun) is a stone landmark or cairn built by humans, used by the Inuit, Inupiat, Kalaallit, Yupik, and other peoples of the Arctic region of North America. These structures are found from Alaska to Greenland. This region, above the Arctic Circle, is dominated by the tundra biome, containing areas with few natural landmarks.
The inuksuk may have been used for navigation, as a point of reference, a marker for hunting grounds, or as a food cache. The Inupiat in northern Alaska used inuksuit to assist in the herding of caribou into contained areas for slaughter. Inuksuit vary in shape and size, with deep roots in the Inuit culture.
Historically the most common type of inuksuit is a single stone positioned in an upright manner.An inuksuk is often confused with an inunnguaq, a cairn representing a human figure. There is some debate as to whether the appearance of human or cross shaped cairns developed in the Inuit culture before the arrival of European missionaries and explorers.
At Enukso Point on Baffin Island there are over 100 inuksuit and the area has been designated one of Canada's national historic sites.
Name
The word inuksuk means "something which acts for or performs the function of a person." The word comes from the morphemes inuk ("person") and -suk ("ersatz" or "substitute"). It is pronounced inutsuk in Nunavik and the southern part of Baffin Island (see Inuit phonology for the linguistic reasons). In many of the central Nunavut dialects, it has the etymologically related name inuksugaq (plural: inuksugait).
Despite the predominant English spelling as inukshuk, both the Government of Nunavut and the Government of Canada through Indian and Northern Affairs Canada are promoting the Inuit preferred spelling inuksuk.
A structure similar to an inuksuk but meant to represent a human figure, called an inunnguaq (ᐃᓄᙳᐊᖅ, "imitation of a person", plural inunnguat), has become widely familiar to non-Inuit. However, it is not the most common type of inuksuk and is distinguished from inuksuit in general.
Modern usage
Inuksuit continue to serve as an Inuit cultural symbol. For example, an inuksuk is shown on the flag and Coat of Arms of the Canadian territory of Nunavut, and the flag of Nunatsiavut. The high school in Iqaluit is named Inuksuk High School after the landmarks.
Inuksuit — particularly, but not exclusively, of the inunnguaq variety — also are increasingly serving as a mainstream Canadian national symbol. In 1999 Inukshuk was the name for the International Arctic Art & Music Project of ARBOS in the Canadian provinces Québec, Ontario, Nunavik, Nunavut and in Greenland, Austria, Denmark and Norway.
On July 13, 2005 Canadian military personnel erected an inuksuk on Hans Island, along with a plaque and a Canadian flag, as part of Canada's longstanding dispute with Denmark over the small Arctic island. The markers have been erected throughout the country, including a nine-metre-high inuksuk that stands in Toronto on the shores of Lake Ontario. Located in Battery Park, it commemorates the World Youth Day 2002 festival that was held in the city in July 2002.
Officials in various wilderness parks throughout Canada routinely are forced to dismantle inuksuit constructed by hikers and campers, for fear that they could misdirect park visitors from the cairns and other markers that mark various hiking trails. The practice of erecting inuksuit in parks has become so widespread that Killarney Provincial Park, on the north shore of Ontario's Georgian Bay, issued a notice in 2007 urging visitors to “stop the invasion” of inuksuit. In some areas, including Northern Ontario, a large number of inuksuit also have been constructed along the Trans-Canada Highway.
An inunnguaq forms the basis of the logo of the 2010 Winter Olympics designed by Vancouver artist Elena Rivera MacGregor. Its use in this context has been controversial, both among the Inuit and the First Nations of British Columbia. Although the design is under question, it is widely acknowledged that it pays tribute to the inuksuk that stands at Vancouver's English Bay, which was created by artisan Alvin Kanak of Rankin Inlet, Northwest Territories (which is now in the territory of Nunavut that separated from the Northwest Territories in 1999.) It was given as a gift to the city for Expo 86. The land has since been donated to the city and it is now a protected site. Friendship and the welcoming of the world are the meanings of both the English Bay structure and the 2010 Winter Olympics emblem, with Kanak's creation having the additional representation of the strength of his people and the modes of communication and technology before modern Canada.
Inuvialuit artist Bill Nasogaluak with schoolchildren who came to see the unveiling of his Inukshuk in MonterreyInuksuit have also begun to be recognized around the world as an iconic Canadian symbol, thanks in large part to the Vancouver 2010 logo, but also to the construction of inuksuit around the world. There are four authentic inuksuit around the world donated - wholly or in part - by the government of Canada: in Monterrey, Mexico; Oslo, Norway; Washington, D.C. and Guatemala City.
The most recent of these inuksuit was built in Monterrey in October 2007 by the renowned Inuvialuit artist Bill Nasogaluak. The sculpture was presented to the people of the northern state of Nuevo León as a gift from the Monterrey Chapter of the Canadian Chamber of Commerce in Mexico and the Government of Canada, to mark the Chamber’s 10th anniversary in the city. The sculpture stands over the Santa Lucía Riverwalk. Nasogaluak, of Tuktoyaktuk, NWT, personally chose the rocks for the structure from a local quarry near Monterrey. The Inukshuk also contains two rocks that the artist took to Mexico from Canada, one from the high Arctic and another from his home town of Toronto. Together these two rocks form the Inukshuk’s heart.
The Inukshuk is also used as the symbol of the Summit of the Americas, because of its connotations of friendship and cooperation.
An inunnguaq is shown on the cover of the Rush album Test for Echo.
The largest inukshuk is located in Schomberg, Ontario.
The Hammer of Thor, located on the Ungava Peninsula, Quebec may be an inukshuk
Other interesting website about The Inukshuk : Tunngavik
Source : Wikipedia
What is an Inukshuk?
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The Catacombs of Paris
The Catacombs of Paris or Catacombes de Paris are a famous underground ossuary in Paris, France. Located south of the city's former "Barrière d'Enfer" city gate (at today's Denfert-Rochereau), the ossuary fills a renovated section of caverns and tunnels that are the remains of Paris' stone mines. Opened in the late 18th century, the underground cemetery became a tourist attraction on a small scale from the early 19th century, and has been open to the public on a regular basis from 1867. Following an incident of vandalism, they were closed to the public in September of 2009 and reopened 19 December of the same year.
The official name for the catacombs is l'Ossuaire Municipal. Although this cemetery covers only a small section of underground tunnels comprising "les carrières de Paris" ("the quarries of Paris"), Parisians today often refer to the entire tunnel network as "the catacombs".
History
Paris since Roman times buried its dead to the outskirts of the city, but this changed with the rise of Christianity and its practice of burying its faithful deceased in consecrated ground in and adjoining its churches. By the 10th century, because of the city's expansion over the centuries, there were many parish cemeteries within city limits, even in central locations. When Paris' population began to rise rapidly in the following centuries, some of these cemeteries became overcrowded where expansion was impossible. Soon only the most wealthy could afford church burials, which led to the opening in the early 12th century of a central burial ground for more common burials: initially dependent upon the St. Opportune church, this cemetery near Paris' central Les Halles district was renamed as the 'Saints-Innocents cemetery' under its own church and parish towards the end of the same century.
Skull Catacombs of Paris 2010The practice common then for burying the lesser-wealthy dead was mass inhumation. Once an excavation in one section of the cemetery was full, it would be covered over and another opened. Few of the dead buried in this way had the privilege of coffins; often the casket used for a burial ceremony would be re-used for the next. Thus the residues resulting from the decaying of organic matter, a process often chemically accelerated with the use of lime, entered directly into the earth, creating a situation quite unacceptable for a city whose then principle source of liquid sustenance was well-water.
By the 17th century the sanitary conditions around Saints-Innocents cemetery was unbearable. As it was one of Paris' most sought-after cemeteries and a large source of revenue for the parish and church, the clergy had continued burials there even when its grounds were filled to overflowing. By then the cemetery was lined on all four sides with "charniers" reserved for the bones of the dead exhumed from mass graves that had "lain" long enough for all the flesh they contained to decompose. Once emptied, a mass sepulture would be used again, but even then the earth was already filled beyond saturation with decomposable human remains.
A series of ineffective decrees limiting the use of the cemetery did little to remedy the situation, and it wasn't until the late 18th century that it was decided to create three new large-scale suburban burial grounds to the outskirts of the city, and to condemn all existing parish cemeteries within city limits.
Paris' former Mines
Part of the reason nothing was done about Paris' untenable burial practices was a lack of ideas where to dispose of the dead exhumed from Paris' intra-muros parish graveyards. The government had been searching for and consolidating long abandoned stone quarries in and around the Capital since 1777, and it was the Police Lieutenant General overseeing the renovations, Alexandre Lenoir, who first had the idea to use empty underground tunnels to the outskirts of the capital to this end. His successor, Thiroux de Crosne, chose a place to the south of Paris' "porte d'Enfer" city gate (the place Denfert-Rochereau today), and the exhumation and transfer of all Paris' dead to the underground sepulture began in 1786.
Creation, decoration
From the eve of a consecration ceremony on the 7th April the same year, behind a procession of chanting priests, began a parade of black-covered bone-laden horse-drawn wagons that continued for years to come. In work overseen by the Inspector General of Quarries, Charles-Axel Guillaumot, the bones were deposited in a wide well dug in land bought from a property, "La maison de la Tombe Issoire" (a house near the street of the same name), and distributed throughout the underground caverns by workers below. Also deposited near the same house were crosses, urns and other necropolis memorabilia recuperated from Paris' church graveyards.
The catacombs in their first years were practically only a bone repository, but Guillaumot's successor from 1810, Louis-Étienne Héricart de Thury, oversaw the renovations that would transform the underground caverns into a real and visitable sepulture on par with any mausoleum. In addition to directing the rearrangement of skulls and tibias into the arrangement that we see in the catacombs today, he used the tombstones and cemetery decorations he could find (many had disappeared after the 1789 Revolution) to complement the walls of bones.
General Description
The Catacombs entry is in the western pavilion of Paris' former Barrière d'Enfer city gate. After descending a narrow spiral stone stairwell of 19 metres to the darkness and silence broken only by the gurgling of a hidden aqueduct channelling local sources away from the area, and after passing through a long and twisting hallway of mortared stone, a visitor finds himself before a sculpture that existed from a time before this part of the mines became an ossuary, a model of France's Port-Mahon fortress created by a former Quarry Inspector. Soon after, he would find himself before a stone portal, the ossuary entry, graced with the inscription "Arrête, c'est ici l'empire de la Mort" ('Stop, this is the empire of Death').
Beyond begin the halls and caverns of walls of carefully arranged bones. Some of the arrangements are almost artistic in nature, such as a heart-shaped outline in one wall formed with skulls embedded in surrounding tibias; another is a round room whose central pillar is also a carefully created 'keg' bone arrangement. Along the way one would find other 'monuments' created in the years before catacomb renovations, such as a source-gathering fountain baptised "La Samaritaine" because of later-added engravings. Also worthy of note are the rusty gates blocking passages leading to other 'unvisitable' parts of the catacombs - many of these are either un-renovated or were too un-navigable for regular tours.
In a cavern just before the exit stairway leading to a building on the rue Dareau (former 'rue des Catacombes') above, one could see an example of the Quarry Inspection's work in the rest of Paris' underground caverns: its roof is two 11-metre high domes of naturally degraded, but reinforced, rock; the dates painted into the highest point of each bear witness to what year the work to the collapsing cavern ceiling was done, and whether it has degraded since. These "fontis" were the reason for a general panic in late-18th-century Paris, after several houses and roadways collapsed into previously unknown caverns below.
Other Inhumations
Bodies of the dead from the riots in the Place de Grève, the Hôtel de Brienne, and Rue Meslée were put in the catacombs on 28 and 29 August 1788.
Bone pile in Parisian CatacombsThe catacomb walls are covered in graffiti dating from the eighteenth century onwards. Victor Hugo used his knowledge about the tunnel system in Les Misérables. In 1871, communards killed a group of monarchists in one chamber. During World War II, Parisian members of the French Resistance used the tunnel system. Also during this period, German soldiers established an underground bunker in the catacombs below Lycée Montaigne, a high school in the 6th arrondissement.
Other interesting website about The Catacombs of Paris : catacombes-de-paris
Source : Wikipedia
The Catacombs of Paris
The Catacombs of Paris part 1
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The Cullinan Diamond
The Cullinan diamond is the largest rough gem-quality diamond ever found, at 3,106.75 carats (621.35 g).
The largest polished gem from the stone is named Cullinan I or the First Star of Africa, and at 530.2 carats (106.0 g) was the largest polished diamond in the world until the 1985 discovery of the Golden Jubilee Diamond, 545.67 carats (109.13 g), also from the Premier Mine. Cullinan I is now mounted in the head of the Sceptre with the Cross. The second largest gem from the Cullinan stone, Cullinan II or the Lesser Star of Africa, at 317.4 carats (63.5 g), is the fourth largest polished diamond in the world. Both gems are in the Crown Jewels of the United Kingdom.
History
The Cullinan diamond was found by Frederick Wells, surface manager of the Premier Diamond Mining Company in Cullinanon January 26, 1905. The stone was named after Sir Thomas Cullinan, the owner of the diamond mine.
Sir William Crookes performed an analysis of the Cullinan diamond before it was cut and mentioned its remarkable clarity, but also a black spot in the middle. The colours around the black spot were very vivid and changed as the analyzer was turned. According to Crookes, this pointed to internal strain.Such strain is not uncommon in diamonds.
The stone was bought by the Transvaal government and presented to King Edward VII on his birthday. It was cut into three large parts by Asscher Brothers of Amsterdam, and eventually into 9 large gem-quality stones and a number of smaller fragments. At the time, technology had not yet evolved to guarantee quality of the modern standard, and cutting the diamond was considered difficult and risky. In order to enable Asscher to cut the diamond in one blow, an incision was made, half an inch deep. Then, a specifically designed knife was placed in the incision and the diamond was split in one heavy blow. The diamond split through a defective spot, which was shared in both halves of the diamond.
Anecdotes
In 1905, transport from South Africa to England posed a security problem. Detectives from London were placed on a steamboat that was rumoured to carry the stone, but this was a diversionary tactic. The stone on that ship was a fake, meant to attract those who would be interested in stealing it. The actual diamond was sent to England in a plain box via parcel post, albeit registered.
The story goes that when the diamond was split, the knife broke during the first attempt. "The tale is told of Joseph Asscher, the greatest cleaver of the day," wrote Matthew Hart in his book Diamond: A Journey to the Heart of an Obsession, "that when he prepared to cleave the largest diamond ever known, the 3,106 carats (621 g) Cullinan, he had a doctor and nurse standing by and when he finally struck the diamond and it broke perfectly in two, he fainted dead away." It turns out the fainting story is a popular myth. Diamond historian Lord Ian Balfour wrote that Asscher was a very accomplished and competent cleaver, and that it was much more likely he opened a bottle of champagne, instead.
Rumours abound of a "second half" of the Cullinan diamond. According to Sir William Crookes the original, uncut diamond was itself "a fragment, probably less than half, of a distorted octahedral crystal; the other portions still await discovery by some fortunate miner."Crookes thus indirectly indicates that the original, larger crystal broke in a natural way and not by a man-made cut. Others have speculated that before Frederick Wells sold the diamond to Sir Thomas Cullinan he broke off a piece which sized in at about 1,500 carats (300 g) to 2,000 carats (400 g).
Replicas of the Cullinan Diamonds were cut in the 1950's from Rock Crystal Quartz.
The Golden Jubilee Diamond
The Golden Jubilee is currently the largest faceted diamond in the world. Since 1908, Cullinan I, also known as the Great Star of Africa, had held the title, which changed following the 1985 discovery of a large brown diamond of 755.5 carats (151 g) in the prolific blue ground of the Premier mine in South Africa; the diamond would later be cut to a weight of 545.67 carats (109.13 g).
The Premier mine was also the origin of the Cullinan diamonds in 1905, as well as other notables such as the Taylor-Burton in 1966 and the Centenary in 1986.
The "Unnamed Brown", as the Golden Jubilee was first known, was considered something of an ugly duckling by most. It was given to Gabriel Tolkowsky by De Beers for the purpose of testing special tools and cutting methods which had been developed for intended use on the flawless D-colour ("colourless") Centenary. These tools and methods had never been tested before, and the "Unnamed Brown" seemed the perfect guinea pig; it would be of no great loss should something go amiss.
To the surprise of all concerned, what resulted was a yellow-brown diamond in a fire rose cushion cut, outweighing Cullinan I by 15.37 carats (3.07 g). The stone remained largely unknown to the outside world, as the Golden Jubilee's sister, the Centenary, had already been selected and promoted to herald De Beer's centennial celebrations in 1988.
The unnamed diamond had earlier been brought to Thailand by the Thai Diamond Manufacturers Association to be exhibited in the Thai Board of Investment Exhibition in Laem Chabang. There was a mile-long queue to see the diamond, which outshone all other exhibits.
While the current whereabouts of the Centenary are unknown, the Golden Jubilee is known to have been purchased from De Beers by a group led by Henry Ho of Thailand in 1995. The diamond was brought to Pope John Paul II in the Vatican to receive the papal blessing. It was also blessed by the Supreme Buddhist Patriarch and the Supreme Imam in Thailand. The Golden Jubilee Diamond (Thai: เพชรกาญจนาภิเษก) was named by King Bhumibol Adulyadej and given to him in honour of his 50th coronation anniversary. It was initially planned to mount the Golden Jubilee in the royal scepter. A subsequent plan was to have it mounted in a royal seal.
The Golden Jubilee Diamond has been exhibited at Henry Ho's 59-story Jewelry Trade Center in Bangkok, the Central Department Store in Lad Prao (Bangkok) Thailand, and internationally in Basel (Switzerland), Borsheims in Omaha, USA (owned by Warren Buffett's Berkshire Hathaway Inc.), and Gleims Jewelers in Palo Alto, USA. It is now located in the Royal Thai Palace as part of the crown jewels.
Other interesting website about The Cullinan Diamond : jewelleryvaluer
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