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Ulmus Minor 'Sowerbyi'
The Field Elm cultivar ''Ulmus minor'' 'Sowerbyi', commonly known as the Sowerby Elm, was described (as ''Ulmus nitens'' var. ''sowerbyi'' Moss) by Moss in ''The Cambridge British Flora'' (1914). The tree, once referred to as the 'Norfolk Elm' by Smith, was commonly found in the hedgerows and woods of Norfolk, Cambridgeshire, and Huntingdonshire in the early 20th century before the advent of Dutch elm disease. Melville considered it a hybrid of ' Coritana'. The tree was named for the botanical artist James Sowerby, who had illustrated it in ''English Botany, or Coloured Figures of British Plants'' (1863, figure T.2248), from a specimen collected in Essex c.1810 and now in the Borrer Herbarium at Kew. Description A smaller tree than 'Hunnybunii', the branches shorter and the upper ones very tortuous; leaves smaller and acute. The obovate to elliptical fruits are also smaller than 'Hunnybunii'.Lynch, R I. (1915). Trees of the Cambridge Botanic Garden, in ''Journal of the Roy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ulmus Minor
''Ulmus minor'' Mill., the field elm, is by far the most polymorphic of the European species, although its taxonomy remains a matter of contention. Its natural range is predominantly south European, extending to Asia Minor and Iran; its northern outposts are the Baltic islands of Öland and Gotland, although it may have been introduced by humans. The tree's typical habitat is low-lying forest along the main rivers, growing in association with oak and ash, where it tolerates summer floods as well as droughts.Heybroek, H. M., Goudzwaard, L, Kaljee, H. (2009). ''Iep of olm, karakterboom van de Lage Landen'' (:Elm, a tree with character of the Low Countries). KNNV, Uitgeverij. Current treatment of the species owes much to Richens, who noted (1983) that several varieties of field elm are distinguishable on the European mainland. Of these, he listed the small-leaved ''U. minor'' of France and Spain; the narrow-leaved ''U. minor'' of northern and central Italy; the densely hairy leaved ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kew Gardens
Kew Gardens is a botanical garden, botanic garden in southwest London that houses the "largest and most diverse botany, botanical and mycology, mycological collections in the world". Founded in 1840, from the exotic garden at Kew Park, its living collections include some of the 27,000 taxa curated by Royal Botanic Gardens, Kew, while the herbarium, one of the largest in the world, has over preserved plant and fungal specimens. The library contains more than 750,000 volumes, and the illustrations collection contains more than 175,000 prints and drawings of plants. It is one of London's top tourist attractions and is a World Heritage Sites, World Heritage Site. Kew Gardens, together with the botanic gardens at Wakehurst Place, Wakehurst in Sussex, are managed by the Royal Botanic Gardens, Kew, an internationally important botany, botanical research and education institution that employs over 1,100 staff and is a non-departmental public body sponsored by the Department for Envir ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Field Elm Cultivar
Field may refer to: Expanses of open ground * Field (agriculture), an area of land used for agricultural purposes * Airfield, an aerodrome that lacks the infrastructure of an airport * Battlefield * Lawn, an area of mowed grass * Meadow, a grassland that is either natural or allowed to grow unmowed and ungrazed * Playing field, used for sports or games Arts and media * In decorative art, the main area of a decorated zone, often contained within a border, often the background for motifs ** Field (heraldry), the background of a shield ** In flag terminology, the background of a flag * ''FIELD'' (magazine), a literary magazine published by Oberlin College in Oberlin, Ohio * ''Field'' (sculpture), by Anthony Gormley Organizations * Field department, the division of a political campaign tasked with organizing local volunteers and directly contacting voters * Field Enterprises, a defunct private holding company ** Field Communications, a division of Field Enterprises * Field Museum ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Christine Buisman
Christine Johanna Buisman (; 22 March 1900 – 27 March 1936) was a Dutch phytopathologist who dedicated her short career to the research of Dutch elm disease and the selection of resistant elm seedlings. In 1927, Buisman provided the final proof that ''Graphium ulmi'' (later named ''Ophiostoma ulmi'') was the causal agent of the disease, concluding the controversy which had raged among Dutch and German scientists since 1922. Buisman developed the inoculation method for screening large numbers of elm plants for resistance, and in 1932 discovered the generative form of the fungus, ''Ceratostomella ulmi''. The first ever resistant elm clone released in the Netherlands was named for her in 1937, following her untimely death the previous year.Heybroek, H. M. and Nijboer, R. (2013). ''Christine Johanna Buisman in Italy''. p. 4–6. Private publication, Netherlands. Biography Buisman was the eldest of four children raised in a liberal and socially conscious family in Leeuwarden. S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cambridge
Cambridge ( ) is a university city and the county town in Cambridgeshire, England. It is located on the River Cam approximately north of London. As of the 2021 United Kingdom census, the population of Cambridge was 145,700. Cambridge became an important trading centre during the Roman and Viking ages, and there is archaeological evidence of settlement in the area as early as the Bronze Age. The first town charters were granted in the 12th century, although modern city status was not officially conferred until 1951. The city is most famous as the home of the University of Cambridge, which was founded in 1209 and consistently ranks among the best universities in the world. The buildings of the university include King's College Chapel, Cavendish Laboratory, and the Cambridge University Library, one of the largest legal deposit libraries in the world. The city's skyline is dominated by several college buildings, along with the spire of the Our Lady and the English Martyrs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Christ's Pieces
Christ's Pieces or Christ's Piece is a Victorian park in the east of central Cambridge, Cambridgeshire, England, with flower beds, ornamental trees and a memorial garden to Diana, Princess of Wales.Christ's Pieces , .Allan Brigham, Christ's Pieces: A year on a Cambridge park in pictures '. The area acts as an important publicly accessible open grassed area for the city centre. It is east of [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Field Elm
''Ulmus minor'' Mill., the field elm, is by far the most polymorphic of the European species, although its taxonomy remains a matter of contention. Its natural range is predominantly south European, extending to Asia Minor and Iran; its northern outposts are the Baltic islands of Öland and Gotland, although it may have been introduced by humans. The tree's typical habitat is low-lying forest along the main rivers, growing in association with oak and ash, where it tolerates summer floods as well as droughts.Heybroek, H. M., Goudzwaard, L, Kaljee, H. (2009). ''Iep of olm, karakterboom van de Lage Landen'' (:Elm, a tree with character of the Low Countries). KNNV, Uitgeverij. Current treatment of the species owes much to Richens, who noted (1983) that several varieties of field elm are distinguishable on the European mainland. Of these, he listed the small-leaved ''U. minor'' of France and Spain; the narrow-leaved ''U. minor'' of northern and central Italy; the densely hairy leaved ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dutch Elm Disease
Dutch elm disease (DED) is caused by a member of the sac fungi (Ascomycota) affecting elm trees, and is spread by elm bark beetles. Although believed to be originally native to Asia, the disease was accidentally introduced into Americas, America, Europe, and New Zealand. In these regions it has devastated native populations of elms that did not have resistance to the disease. The name "Dutch elm disease" refers to its identification in 1921 and later in the Netherlands by Dutch phytopathologists Marie Beatrice Schol-Schwarz, Bea Schwarz and Christine Buisman, who both worked with professor Johanna Westerdijk. The disease affects species in the genera ''Ulmus'' and ''Zelkova''; therefore it is not specific to the Ulmus × hollandica, Dutch elm hybrid. Overview Dutch elm disease (DED) is caused by ascomycete microfungi. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ulmus Minor 'Hunnybunii'
The Field Elm cultivar ''Ulmus minor'' 'Hunnybunii' was originally identified as ''U. nitens'' var. ''Hunnybunii'' Moss by Moss in ''The Cambridge British Flora'' (1914). 'Hunnybunii' was reputed to have been commonly planted in the parklands and hedgerows of Essex, Cambridgeshire, and Huntingdonshire before the advent of Dutch elm disease. Melville considered the tree a hybrid of ' Coritana'. The tree was named for C. E. Moss's collaborator, the botanical artist E. W. Hunnybun. Description Moss described 'Hunnybunii' as a taller tree than 'Sowerbyi', with the lower branches spreading at right angles, the upper less tortuous; leaves even more asymmetrical at the base, more acuminate at the apex.Lynch, R I. (1915). Trees of the Cambridge Botanic Garden, in ''Journal of the Royal Horticultural Society'' (Ed.: Chittenden), Vol. 41, part 1, p. 17, 1915. Samara and leaf drawings by E. W. Hunnybun appear in ''The Cambridge British Flora'' (1914). File:Ulmus nitens var. hunnybun ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
James De Carle Sowerby
James De Carle Sowerby (5 June 1787 – 26 August 1871) was a British mineralogist, botanist, and illustrator. He received an education in chemistry. Sowerby was born in London, the son of botanical artist James Sowerby (1757–1822), and his wife, Anne de Carle (1764–1815). He continued his father's work and published, together with his brother George Brettingham Sowerby I, the latter volumes of the ''Mineral Conchology of Great Britain'', begun by their father. Together with a cousin, he founded the Royal Botanic Society and Gardens, and was its secretary for 30 years. His son William Sowerby was also a botanist and illustrator, and succeeded him as Secretary of the Royal Botanic Society in 1869. In 1846, John William Salter (English naturalist, geologist, palaeontologist, and leading authority on trilobites) married Sally, daughter of Sowerby, and eventually fathered seven children with her. Sowerby died in Kilburn, London in 1871. See also * Sowerby family Referen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Field Elm
''Ulmus minor'' Mill., the field elm, is by far the most polymorphic of the European species, although its taxonomy remains a matter of contention. Its natural range is predominantly south European, extending to Asia Minor and Iran; its northern outposts are the Baltic islands of Öland and Gotland, although it may have been introduced by humans. The tree's typical habitat is low-lying forest along the main rivers, growing in association with oak and ash, where it tolerates summer floods as well as droughts.Heybroek, H. M., Goudzwaard, L, Kaljee, H. (2009). ''Iep of olm, karakterboom van de Lage Landen'' (:Elm, a tree with character of the Low Countries). KNNV, Uitgeverij. Current treatment of the species owes much to Richens, who noted (1983) that several varieties of field elm are distinguishable on the European mainland. Of these, he listed the small-leaved ''U. minor'' of France and Spain; the narrow-leaved ''U. minor'' of northern and central Italy; the densely hairy leaved ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ulmus Minor 'Coritana'
The Field Elm cultivar ''Ulmus minor'' 'Coritana' was originally claimed by Melville, while he was searching in the neighbourhood of Leicestershire in 1936 for ''U. elegantissima'', as a new species, which he called ''U. coritana''. He later recorded its distribution in the counties of Bedfordshire, Berkshire, Buckinghamshire, Cambridgeshire, Essex, Hertfordshire, Leicestershire, Nottinghamshire, Norfolk, Oxfordshire, Suffolk and Warwickshire. Richens, however, dismissed ''U. coritana'' as 'an artificial aggregate' of local forms of Field Elm. Bean noted (1988) that Melville's ''U. coritana'' was not recognised in the ''Flora of the British Isles'' as a species distinct from ''U. carpinifolia'' ''U. minor'' By the proposed rule that known or suspected clones of ''U. minor'', once cultivated and named, should be treated as cultivars, the tree would be designated ''U. minor'' 'Coritana'. Description Described as a rather spreading tree less than high, with ascending branch ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
_030223c.JPG "Click for more on -> Christine Buisman")
