Difference between revisions of "Rose" - New World Encyclopedia
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[[Image:Rosa-multiflora01.jpg|thumb|right|''Rosa multiflora'']] | [[Image:Rosa-multiflora01.jpg|thumb|right|''Rosa multiflora'']] | ||
+ | ==Classification== | ||
+ | |||
+ | There is significant disagreement over the number of true rose [[species]]. Some species are so similar that they could easily be considered variations of a single species, while other species show enough variation that they could easily be considered to be different species. Lists of rose species usually show between 100 and 150 with most [[botany|botanists]] agreeing that the actual number is probably nearer the lower end of that range. | ||
+ | |||
+ | ===Subgenera and sections=== | ||
+ | [[Image:Rosa rugosa1.jpg|thumb|''Rosa rugosa'']] | ||
+ | The genus ''Rosa'' is subdivided into four subgenera: | ||
+ | *'''''Hulthemosa''''' (formerly ''Simplicifoliae'', meaning "with single leaves") containing one or two species from southwest [[Asia]], ''R. persica'' and ''R. berberifolia'' (syn. ''R. persica'' var. ''berberifolia'') which are the only roses without [[leaf|compound leaves]] or stipules. | ||
+ | *'''''Hesperrhodos''''' (from the [[Greek (language)|Greek]] for "western rose") has two species, both from southwestern [[North America]]. These are ''R. minutifolia'' and ''R. stellata''. | ||
+ | *'''''Platyrhodon''''' (from the [[Greek (language)|Greek]] for "flaky rose", referring to flaky bark) with one species from east Asia, ''R. roxburghii''. | ||
+ | *'''''Rosa''''' the subgenus containing all the other roses. | ||
+ | |||
+ | The subgenus ''Rosa'' is subdivided into 11 sections. | ||
+ | *'''''Banksianae''''' - white and yellow roses from [[China]] | ||
+ | *'''''Bracteatae''''' - three species, two from China and one from [[India]] | ||
+ | *'''''Caninae''''' - pink and white species from [[Asia]], [[Europe]], and North [[Africa]] | ||
+ | *'''''Carolinae''''' - white, pink, and bright pink species all from [[North America]] | ||
+ | *'''''Chinensis''''' - white, pink, yellow, red, and mixed-color roses from China and [[Burma]] | ||
+ | *'''''Gallicanae''''' - pink to crimson and striped roses from western Asia and Europe | ||
+ | *'''''Gymnocarpae''''' - a small group distinguished by a deciduous receptacle on the hip; one species in western North America (''R. gymnocarpa''), the others in east Asia | ||
+ | *'''''Laevigatae''''' - a single white species from China | ||
+ | *'''''Pimpinellifoliae''''' - white, pink, bright yellow, mauve and striped roses from Asia and Europe | ||
+ | *'''''Rosa''''' (syn. sect. ''Cinnamomeae'') - white, pink, lilac, mulberry, and red roses from everywhere but North Africa | ||
+ | *'''''Synstylae''''' - white, pink, and crimson roses from all areas | ||
+ | |||
+ | === Species === | ||
+ | {| border="0" cellpadding="5" cellspacing="0" align="right" | ||
+ | | [[Image:Wild Rosa gallica Romania.jpg|thumb|''Rosa gallica'']] | ||
+ | |} | ||
Some representative wild rose species | Some representative wild rose species | ||
+ | *''Rosa acicularis'' - Arctic Rose, Prickly Rose (''Rosa'') | ||
*''Rosa canina'' - Dog Rose, Briar Bush | *''Rosa canina'' - Dog Rose, Briar Bush | ||
*''Rosa dumalis'' - Glaucous Dog Rose | *''Rosa dumalis'' - Glaucous Dog Rose | ||
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*''Rosa stellata'' - Gooseberry Rose, Sacramento Rose | *''Rosa stellata'' - Gooseberry Rose, Sacramento Rose | ||
*''Rosa virginiana'' (syn. ''R. lucida'') - Virginia Rose | *''Rosa virginiana'' (syn. ''R. lucida'') - Virginia Rose | ||
− | + | *''[[Rosa woodsii'' - Mountain Rose | |
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− | *''[[Rosa woodsii | ||
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==Roses in Cultivation== | ==Roses in Cultivation== | ||
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− | Roses were first cultivated in China about 5000 years ago, whether for their beauty or for their edible fruit | + | Roses were first cultivated in [[China]] about 5000 years ago, whether for their beauty or for their edible fruit is not known. Later, they were cultivated in [[India]], [[Persia]], the [[Middle East]], and [[Europe]]. In Ancient Rome, roses were very popular, not only for their beauty but also for food and for many medicinal uses. They were also cultivated in the New World. Bernal Díaz del Castillo, who fought in Cortez's army, described the gardens of Mexico City in his book ''The Discovery and Conquest of Mexico'': |
:When we had looked well at all of this, we went to the orchard and garden, which was such a wonderful thing to see and walk in, that I was never tired of looking at the diversity of the trees, and noting the scent which each one had, and the paths full of roses and flowers, and the many fruit trees and native roses, and the pond of fresh water. | :When we had looked well at all of this, we went to the orchard and garden, which was such a wonderful thing to see and walk in, that I was never tired of looking at the diversity of the trees, and noting the scent which each one had, and the paths full of roses and flowers, and the many fruit trees and native roses, and the pond of fresh water. | ||
− | Rose cultivation increased in popularity in the | + | Rose cultivation increased in popularity in the fifteenth and sixteenth centuries, especially in Holland, when trading ships brought rose bushes from China. These were crossed with European roses creating many new varieties. The popularity of roses never slowed down and continues today. In 1994, over 1,200,000,000 roses were purchased by U.S. flower buyers; 4.67 per person. In three national public opinion polls between 1975 and 1986, over 85 percent of Americans named the rose as their favorite flower.[http://www.rosesinc.org/ICFG/For_Consumers/Everything.asp] |
There is no single system of classification for garden roses. In general, however, roses are placed in one of three main groups: | There is no single system of classification for garden roses. In general, however, roses are placed in one of three main groups: |
Revision as of 20:15, 11 June 2006
Rose | ||||||||||||||
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![]() Rosa canina (Dog Rose) flower | ||||||||||||||
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About 100 to 150, see classification |
A rose is a flowering shrub of the genus Rosa. There are more than a hundred species of wild roses. The term is also used to refer to the flower of this shrub.
Roses are members of the family Rosaceae, which is one of the largest families of flowering plants with about 3,400 species including apples, berries, peaches, plums, cherries, the hawthorn tree, the mountain ash, and many others.
The name originates from Persian vrda, via Greek rhodon "rose" (Aeolic wrodon).
Wild Roses
Wild roses form a group of generally thorny shrubs or climbers, and sometimes trailing plants, reaching 2–5 meters (6 to 18 feet) tall, rarely reaching as high as 20 meters (65 feet) by climbing over other plants.
The leaves of most species are 5–15 cm (2 to 6 inches) long, pinnate, with three to thirteen leaflets and basal stipules; the leaflets usually have a serrated margin, and often a few small thorns on the underside of the stem. The vast majority of roses are deciduous, but a few (particularly in southeast Asia) are evergreen or nearly so.
The flowers have five petals (with the exception of Rosa sericea which often has only four), usually white or pink, in a few species yellow or red. The ovary is inferior, developing below the petals and sepals.
The fruit of the rose is a berry-like structure called a rose hip. The hips of most species are red, but a few (e.g. Rosa pimpinellifolia) have dark purple to black hips. Each hip comprises an outer fleshy layer, the hypanthium, which contains 5–160 "seeds" (technically dry, single-seeded fruits called achenes) embedded in a matrix of fine, but stiff, hairs. Rose hips of some species, especially the Dog Rose (Rosa canina) and Rugosa Rose (Rosa rugosa), are very rich in vitamin C, among the richest sources of any plant. The hips are eaten by fruit-eating birds such as thrushes and waxwings, which then disperse the seeds in their droppings. Some birds, particularly finches, also eat the seeds. People also sometimes eat rose hips, mainly for their vitamin C content. They are usually pressed and filtered to make rose-hip syrup, as the fine hairs surrounding the seeds are unpleasant to eat (resembling itching powder). They can also be used to make herbal tea, jam, jelly, and marmalade. During the Second World War, rose hips were an important source of vitamin C in Great Britain when other fruits were scarce.
Most roses have thorns or prickles. The thorns are typically sickle-shaped hooks, which aid the rose in hanging onto other vegetation when growing over it. Some species, such as Rosa rugosa and R. pimpinellifolia, instead have densely packed straight spines, probably an adaptation to reduce browsing by animals, but also possibly an adaptation to trap wind-blown sand and so reduce erosion and protect their roots (both of these two species grow naturally on coastal sand dunes). Despite the presence of the thorns, roses are frequently browsed by deer. A few species of roses only have vestigial thorns that have no points.
Classification
There is significant disagreement over the number of true rose species. Some species are so similar that they could easily be considered variations of a single species, while other species show enough variation that they could easily be considered to be different species. Lists of rose species usually show between 100 and 150 with most botanists agreeing that the actual number is probably nearer the lower end of that range.
Subgenera and sections
The genus Rosa is subdivided into four subgenera:
- Hulthemosa (formerly Simplicifoliae, meaning "with single leaves") containing one or two species from southwest Asia, R. persica and R. berberifolia (syn. R. persica var. berberifolia) which are the only roses without compound leaves or stipules.
- Hesperrhodos (from the Greek for "western rose") has two species, both from southwestern North America. These are R. minutifolia and R. stellata.
- Platyrhodon (from the Greek for "flaky rose", referring to flaky bark) with one species from east Asia, R. roxburghii.
- Rosa the subgenus containing all the other roses.
The subgenus Rosa is subdivided into 11 sections.
- Banksianae - white and yellow roses from China
- Bracteatae - three species, two from China and one from India
- Caninae - pink and white species from Asia, Europe, and North Africa
- Carolinae - white, pink, and bright pink species all from North America
- Chinensis - white, pink, yellow, red, and mixed-color roses from China and Burma
- Gallicanae - pink to crimson and striped roses from western Asia and Europe
- Gymnocarpae - a small group distinguished by a deciduous receptacle on the hip; one species in western North America (R. gymnocarpa), the others in east Asia
- Laevigatae - a single white species from China
- Pimpinellifoliae - white, pink, bright yellow, mauve and striped roses from Asia and Europe
- Rosa (syn. sect. Cinnamomeae) - white, pink, lilac, mulberry, and red roses from everywhere but North Africa
- Synstylae - white, pink, and crimson roses from all areas
Species
Some representative wild rose species
- Rosa acicularis - Arctic Rose, Prickly Rose (Rosa)
- Rosa canina - Dog Rose, Briar Bush
- Rosa dumalis - Glaucous Dog Rose
- Rosa eglanteria (syn. R. rubiginosa) - Eglantine, Sweet Brier
- Rosa gallica - Gallic Rose, French Rose
- Rosa gigantea (syn. R. x odorata gigantea)
- Rosa glauca (syn. R. rubrifolia) - Redleaf Rose
- Rosa laevigata (syn. R. sinica) - Cherokee Rose, Camellia Rose, Mardan Rose
- Rosa multiflora - Multiflora Rose
- Rosa persica (syn. Hulthemia persica, R. simplicifolia)
- Rosa roxburghii - Chestnut Rose, Burr Rose
- Rosa rugosa - Rugosa Rose, Japanese Rose
- Rosa stellata - Gooseberry Rose, Sacramento Rose
- Rosa virginiana (syn. R. lucida) - Virginia Rose
- [[Rosa woodsii - Mountain Rose
Roses in Cultivation
Roses were first cultivated in China about 5000 years ago, whether for their beauty or for their edible fruit is not known. Later, they were cultivated in India, Persia, the Middle East, and Europe. In Ancient Rome, roses were very popular, not only for their beauty but also for food and for many medicinal uses. They were also cultivated in the New World. Bernal Díaz del Castillo, who fought in Cortez's army, described the gardens of Mexico City in his book The Discovery and Conquest of Mexico:
- When we had looked well at all of this, we went to the orchard and garden, which was such a wonderful thing to see and walk in, that I was never tired of looking at the diversity of the trees, and noting the scent which each one had, and the paths full of roses and flowers, and the many fruit trees and native roses, and the pond of fresh water.
Rose cultivation increased in popularity in the fifteenth and sixteenth centuries, especially in Holland, when trading ships brought rose bushes from China. These were crossed with European roses creating many new varieties. The popularity of roses never slowed down and continues today. In 1994, over 1,200,000,000 roses were purchased by U.S. flower buyers; 4.67 per person. In three national public opinion polls between 1975 and 1986, over 85 percent of Americans named the rose as their favorite flower.[1]
There is no single system of classification for garden roses. In general, however, roses are placed in one of three main groups:
- Wild Roses - The wild roses includes the species listed above and some of their hybrids.
- Old Garden Roses - Most old garden roses are classified into one of the following (ordered by approximate age - oldest first):
- Alba - Literally "white roses", derived from R. arvensis and the closely allied R. alba. These are some of the oldest garden roses, probably brought to Great Britain by the Romans. Once-flowering. Examples: 'Semi-plena', 'White Rose of York'.
- Gallica - The Gallica roses have been developed from R. gallica which is a native of central and southern Europe. They flower once in the summer. Examples: 'Cardinal de Richelieu', 'Charles de Mills', 'Rosa Mundi' (R. gallica versicolor).
- Damask - Robert de Brie is given credit for bringing them from Persia to Europe sometime between 1254 and 1276. Summer Damasks (crosses between Gallica roses and R. phoenicea) bloom once in summer. Autumn Damasks (Gallicas crossed with R. moschata) bloom later, in the autumn. Examples: 'Ispahan', 'Madame Hardy'.
- Centifolia (or Provence) - These roses, raised in the Seventeenth Century in the Netherlands, are named for their "one hundred" petals. Once-flowering. Examples: 'Centifolia', 'Paul Ricault'.
- Moss - Closely related to the centifolias, these have a mossy excrescence on the stems and sepals. Once-flowering. Example: 'Comtesse de Murinais', 'Old Pink Moss'.
- China - The China roses brought with them an amazing ability to bloom repeatedly throughout the summer and into late autumn. Four china roses ('Slater's Crimson China', 1792; 'Parsons' Pink China', 1793; 'Hume's Blush China', 1809; and 'Parks' Yellow Tea Scented China', 1824) were brought to Europe in the late Eighteenth and Nineteenth centuries which brought about the creation of the repeat flowering old garden roses and later the modern garden roses. Examples: 'Old Blush China', 'Mutabilis'.
- Portland - These are named after the Duchess of Portland who received (from Italy in 1800) a rose then known as R. paestana or 'Scarlet Four Seasons' Rose' (now known simply as 'The Portland Rose'). This group was developed from that rose. Repeat-flowering. Example: 'James Veitch', 'Rose de Rescht', 'The Portland Rose'.
- Bourbon - They originated on l'Île de Bourbon (now called Réunion). Probably the result of a cross between the Autumn Damask and the 'Old Blush China'. Introduced in France in 1823. Repeat-flowering. Examples: 'Louise Odier', 'Mme. Pierre Oger', 'Zéphirine Drouhin'.
- Hybrid Perpetual - The dominant class of roses in Victorian England, they were derived to a great extent from the Bourbons. Repeat-flowering. Examples: 'Ferdinand Pichard', 'Reine Des Violettes'.
- Tea - The result of crossing two of the original China Roses ('Hume's Blush China' and 'Parks' Yellow Tea Scented China') with various Bourbons and Noisette roses. Somewhat more tender than other old garden roses (most likely because of R. gigantea in the ancestry of the Parks rose), teas are repeat-flowering roses although their fragrance is not always a tea scent. Example: 'Lady Hillingdon'.
- Bermuda "Mystery" Roses - A group of several dozen "found" roses that have been grown in Bermuda for at least a century. The roses have significant value and interest for those growing roses in tropical and semi-tropical regions, since they are highly resistant to both nematode damage and the fungal diseases that plague rose culture in hot, humid areas, and capable of blooming in hot and humid weather. Most of these roses are likely Old Garden Rose cultivars that have otherwise dropped out of cultivation, or sports thereof. They are "mystery roses" because their "proper" historical names have been lost. Tradition dictates that they are named after the owner of the garden where they were rediscovered.
- Miscellaneous - There are also a few smaller classes (such as Scots, Sweet Brier) and some climbing classes of old roses (including Ayrshire, Climbing China, Laevigata, Sempervirens, Noisette, Boursault, Climbing Tea, and Climbing Bourbon). Those classes with both climbing and shrub forms are often grouped together.
- Modern Garden Roses - Classification of modern roses can be quite confusing because many modern roses have old garden roses in their ancestry and their form varies so much. The classifications tend to be by growth and flowering characteristics, such as "large-flowered shrub", "recurrent, large-flowered shrub", "cluster-flowered", "rambler recurrent", or "ground-cover non-recurrent". Many of the most popular modern cultivars can however be assigned to one of these two groups:
- Hybrid Tea - The "long stem" rose. Most roses sold by florists and at roadside flower stands are Hybrid Teas. They typically have one to at most five or six large flowers per stem, the flower with numerous tightly arranged petals with reflexed tips (see photo, right). They are favored in small gardens in formal situations, and for buttonhole roses.
- Floribunda - Flowers often smaller, in large clusters of ten or more (often many more) on each stem. These tend to give a more prominent display from a distance, so are more often used in large bedding schemes in public parks and similar spaces.
Perfume
The making of perfume from rose petals dates from ancient times and is a major industry today. Rose perfumes are made from attar of roses or rose oil, which is a mixture of volatile essential oils obtained by steam-distilling the crushed petals of roses. The technique originated in Persia (the word Rose itself is from Persian) then spread through Arabia and India, but nowadays about 70% to 80% of production is in the Rose Valley near Kazanluk in Bulgaria, with some production in Qamsar in Iran and in Germany. The Kaaba in Mecca is annually washed by the Iranian rose water from Qamsar. In Bulgaria, Iran and Germany, damask roses (Rosa damascena 'Trigintipetala') are used. In the French rose oil industry Rosa centifolia is used. The oil, pale yellow or yellow-gray in color, is sometimes called 'Rose Absolute' oil to distinguish it from diluted versions. The weight of oil extracted is about one three-thousandth to one six-thousandth of the weight of the flowers - for example, about 2,000 flowers are required to produce one gramme of oil.
The main constituents of attar of roses are the fragrant alcohols geraniol, which has the empirical formula C10H18O and the structural formula CH3.C[CH3]:CH.CH2.CH2.C[CH3]:CH.CH2OH and l-citronellol; and rose camphor, an odorless paraffin.
Roses and Culture
From ancient times the rose has had a strong hold on the human imagination, most often as a symbol of love and beauty. In ancient times roses were sacred to the goddesses Isis and Aphrodite. In India is it believed that one of the wives of the god Vishnu was found inside a rose.
Roses were very popular in the Roman Empire. Sometimes the floors of banquet halls were covered in rose petals. After the fall of Rome roses fell on some disfavor in Europe and were not allowed to be brought into churches, although they were still grown for medicinal use. After a time the rose's reputation was redeemed and it came to be associated with the Virgin Mary. Roses were carved in wood and stone and "rose windows" were created for church decoration. Prayer beads came to be known as "rosaries", perhaps because they were first made of rosewood and later of a paste of rose petals and salt, and also because of the rose's association with Mary.
From ancient China roses have been the subject of art. The French artist Pierre-Joseph Redouté, the official court artist of Queen Marie Antoinette, produced some of the most detailed paintings of roses.
Roses are so important that the word means pink or red in some languages, including Spanish, Greek, and Polish.
Roses have been used as badges and symbols. England's Wars of the Roses were fought between the House of Lancaster, symbolized by a red rose, and the House of York, symbolized by a white rose. Today the rose is the national flower of England and the United States and the state or provincial flower of Yorkshire, Alberta, Iowa, North Dakota, Georgia, and New York. The rose came to symbolize the Republic of Georgia's non-violent bid for freedom during its Rose Revolution in 2003.
Rose Mythology and Superstitions
- In some pagan mythologies, no undead or ghostly creatures (particularly vampires) may cross the path of a wild rose. It was thought that to place a wild rose on a coffin of a recently deceased person would prevent him from rising again.
- Since the earliest times, the rose has been an emblem of silence:
- In Greek Mythology Eros presented a rose to the god of silence.
- The phrase sub rosa or "under the rose", means to keep a secret—derived from the ancient Roman practice of placing a wild rose on the door of a room in which a confidential discussion or meeting was being held.
- In a Celtic folk legend a wandering, screaming spirit was silenced by presenting the spirit with a wild rose every new moon.
- Roses were used in very early times as an ingredient in love philters.
- In Rome it was often customary to bless roses on "Rose Sunday".
- It is said that the first rose was created from a tear of the prophet Muhammad.
- In Scotland, if a white rose bloomed in autumn it was a token of an early marriage.
- The red rose, it is believed, cannot grow over a grave.
- Rose leaves thrown into a burning flame are said to give good luck.
- If a young girl had more than one lover, it is believed, she should take rose leaves and write the names of her lovers upon them before casting them into the wind. The last leaf to reach the ground would bear the name of the lover whom she should marry.
- It is believed that if a rose bush were pruned on St. John's Eve, it would be guaranteed to bloom in the autumn.
The Peace Rose
The Peace rose is the the most famous and successful garden rose of all time. Over one hundred million plants have been sold. It is a Hybrid Tea with very large flowers and a light yellow to cream color. It is very hardy and resistant to disease making it popular in gardens as well as in the floral trade.
It was developed by French horticulturist Francis Meilland in the years 1935 to 1939. When Meilland foresaw the German invasion of France he sent cuttings to friends in Italy, Turkey, Germany, and the United States to protect the new rose. It was in the United States that it was given the name Peace on April 29, 1945. This was the very day that Berlin fell, officially considered the end of the Second World War in Europe. Later that year Peace roses were given to each of the delegations at the inaugural meeting of the United Nations in San Francisco, each with a note that read: “We hope the ‘Peace’ rose will influence men’s thoughts for everlasting world peace.”
Peter Beales, English rose grower and expert, said in his book Roses: "'Peace', without doubt, is the finest Hybrid Tea ever raised and it will remain a standard variety forever."
Notable Rose Growers
Notable rose growers include:
- David Austin ("English" roses)
- Peter Beales
- Joséphine de Beauharnais
- Griffith Buck, professor of horticulture at Iowa State University from 1948 to 1985, hybridized nearly 90 rose varieties. Buck roses are known for disease resistance and winter hardiness.
- Conard-Pyle Co. (Star Roses)
- Jules Gravereaux
- Jean-Baptiste Guillot
- Meilland family
- Jean Pernet, père
- Joseph Pernet-Ducher
ReferencesISBN links support NWE through referral fees
- Beales, Peter, Roses, New York : Henry Holt and Company, 1985 ISBN 0805020535
- Del Castillo, Bernal Diaz, The Discovery and Conquest of Mexico: 1517-1521 Maudslay, A. P. translator 2003 Cambridge, MA : Del Capo Press ISBN 030681319X
- Haughton, Claire Shaver, Green Immigrants, New York : Harcourt Brace Jovanovich, Inc. 1978 ISBN 0151370346
- Platt, E. S.. Easy and Elegant Rose Design, photographs by A. Detrick. Fulcrum Publishing, ISBN 1555914764
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