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× Reyllopia
× ''Reyllopia'' is a hybrid genus with a single known species, × ''Reyllopia conollyana'' (synonym ''Fallopia'' × ''conollyana''), the Haringey knotweed or railway-yard knotweed. The species is a hybrid between Japanese knotweed (''Reynoutria japonica'') and the Russian vine ('' Fallopia baldschuanica''). The only known wild British population was discovered ("new to science") by David Bevan at Railway Fields Railway Fields is a Local Nature Reserve and a Site of Borough Importance for Nature Conservation, Grade I, in Harringay the London Borough of Haringey. About one hectare in area, it was a railway goods yard until 1967. The park also contain ... in 1987.Haringey's Biodiversity Action Plan, September 2004. It was named in honour of Ann Conolly in 2001 for her 84th birthday. At the time, both parents were considered to be in the genus ''Fallopia''. References Polygonoideae Plants described in 2001 Plant nothogenera Monotypic Polygonaceae genera {{Pol ...
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Hybrid (biology)
In biology, a hybrid is the offspring resulting from combining the qualities of two organisms of different varieties, subspecies, species or genera through sexual reproduction. Generally, it means that each cell has genetic material from two different organisms, whereas an individual where some cells are derived from a different organism is called a chimera. Hybrids are not always intermediates between their parents such as in blending inheritance (a now discredited theory in modern genetics by particulate inheritance), but can show hybrid vigor, sometimes growing larger or taller than either parent. The concept of a hybrid is interpreted differently in animal and plant breeding, where there is interest in the individual parentage. In genetics, attention is focused on the numbers of chromosomes. In taxonomy, a key question is how closely related the parent species are. Species are reproductively isolated by strong barriers to hybridization, which include genetic and morph ...
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Genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. ''Panthera leo'' (lion) and ''Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomy (biology), taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants of an ancestral taxon are grouped together (i.e. Phylogeneti ...
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Synonym (taxonomy)
In taxonomy, the scientific classification of living organisms, a synonym is an alternative scientific name for the accepted scientific name of a taxon. The Botanical nomenclature, botanical and Zoological nomenclature, zoological codes of nomenclature treat the concept of synonymy differently. * In nomenclature, botanical nomenclature, a synonym is a Binomial nomenclature, scientific name that applies to a taxon that now goes by a different scientific name. For example, Carl Linnaeus, Linnaeus was the first to give a scientific name (under the currently used system of scientific nomenclature) to the Norway spruce, which he called ''Pinus abies''. This name is no longer in use, so it is now a synonym of the current scientific name, ''Picea abies''. * In zoology, moving a species from one genus to another results in a different Binomial nomenclature, binomen, but the name is considered an alternative combination rather than a synonym. The concept of synonymy in zoology is reserved f ...
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Reynoutria Japonica
''Reynoutria japonica'', synonyms ''Fallopia japonica'' and ''Polygonum cuspidatum'', is a species of herbaceous perennial plant in the knotweed and buckwheat family Polygonaceae. Common names include Japanese knotweed and Asian knotweed. It is native to East Asia in Japan, China and Korea. In North America and Europe, the species has successfully established itself in numerous habitats, and is classified as a pest and invasive species in several countries. The plant is popular with beekeepers, and its young stems are edible, making it an increasingly popular foraging, foraged vegetable with a flavour described as lemony rhubarb. Description The flowers are small, cream or white, produced in erect racemes long in late summer and early autumn. Japanese knotweed has hollow stems with distinct raised node (botany), nodes that give it the appearance of bamboo, though it is not related. While stems may reach a maximum height of each growing season, it is typical to see much smaller ...
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Fallopia Baldschuanica
''Fallopia baldschuanica'' ( syn. ''Polygonum baldschuanicum'') is an Asian species of flowering plant in the knotweed family known by several common names, including Russian-vine, Bukhara fleeceflower, Chinese fleecevine, mile-a-minute and silver lace vine. It is native to Asia (China, Russia, Kazakhstan, etc.), and is growing wild in parts of Europe and North and Central America as an introduced species. Some authors split the species in two, referring to the Chinese populations as '' Fallopia aubertii'' and the Russian and Central Asian species as ''F. baldschuanica.'' ''Fallopia baldschuanica'' is grown as an ornamental plant for its flower-laced vines. The white flowers are decorative and provide nectar and pollen for the honey bee. As it is fast-growing, it is used as cover for unsightly fences and other garden structures. It can become invasive, however. Description ''Fallopia baldschuanica'' is a vining plant with woody, climbing stems at least in length. The poin ...
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Railway Fields
Railway Fields is a Local Nature Reserve and a Site of Borough Importance for Nature Conservation, Grade I, in Harringay the London Borough of Haringey. About one hectare in area, it was a railway goods yard until 1967. The park also contains a pond which is most commonly the home of the Common frog and the Blue-tailed damselfly. Habitat, flora and fauna Much of the site is wooded with open birch woodland running along part of the boundary with the railway. Denser woodland and scrub occupies much of the rest of the site. There are areas of grassland and a small pond. At the centre of the reserve, a wooden cabin provides an office and a classroom. Over 200 species of wild flowers have been recorded. This includes the unique Haringey Knotweed (×''Reyllopia conollyana'') discovered in 1987, a cross between the Japanese knotweed and the Russian vine. More than sixty species of birds have been observed since Railway Fields opened. History The area that is now the Railway ...
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Ann Conolly
Ann P. Conolly (1917–2010) was a British botanist and teacher who contributed to quaternary botany and conducted important early work on the history and spread of Japanese Knotweed in the UK . Academic career She attended the University of Cambridge (Newnham College) from 1936 to 1940 and studied Natural Sciences. However, it was the university's policy at that time to not award degrees to women. She undertook doctoral studies on quaternary botany between 1940 and 1943, supported by a Rigby and a Francis Maitland Balfour studentships, under the supervision of Professor Harry Godwin. Her work contributed to Godwin's landmark book '' History of the British Flora'' published by CUP in 1956. Events in the Second World War meant that despite publishing several papers, she never submitted her thesis. Her first academic post commenced in 1944 as a demonstrator at Bedford College for Women, University of London, with conditional exemption from military service. In 1947 she was appoin ...
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