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Ulmus Americana 'Nigricans'
The American Elm cultivar ''Ulmus americana'' 'Nigricans' Dieck was cloned from a selection made from seedlings raised by the Zöschener Baumschule, Zöschen, Germany, and listed by Georg Dieck Georg Dieck (28 April 1847 in Zöschen – 21 October 1925 in Zöschen) was a German entomologist and botanist. After attending high school in Naumburg, he studied natural sciences at Jena, where he was a pupil and assistant of Ernst Haeckel. In 1 ... with a brief description in ''Haupt-catalog der Obst- und gehölzbaumschulen des ritterguts Zöschen bei Merseburg'', 1885. An 'American Black Elm', "a variety of ''Ulmus americana'' of more erect habit", was marketed by Trumbull and Beebe's nursery, San Francisco, in the 1890s, along with a batch of other European elm cultivars. Description The tree was distinguished by its very dark green foliage. Occasionally listed as 'Nigrescens', it has caused confusion with a ''U. minor'' cultivar of that name. Cultivation No specimens are known ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ulmus Americana
''Ulmus americana'', generally known as the American elm or, less commonly, as the white elm or water elm, is a species of elm native to eastern North America, naturally occurring from Nova Scotia west to Alberta and Montana, and south to Florida and central Texas. The American elm is an extremely hardy tree that can withstand winter temperatures as low as −42 ° C (−44 ° F). Trees in areas unaffected by Dutch elm disease (DED) can live for several hundred years. A prime example of the species was the Sauble Elm, which grew beside the banks of the Sauble River in Ontario, Canada, to a height of 43 m (140 ft), with a d.b.h of 196 cm (6.43 ft) before succumbing to DED; when it was felled in 1968, a tree-ring count established that it had germinated in 1701. For over 80 years, ''U. americana'' had been identified as a tetraploid, i.e. having double the usual number of chromosomes, making it unique within the genus. However, a study published in 2011 by t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Elm
''Ulmus americana'', generally known as the American elm or, less commonly, as the white elm or water elm, is a species of elm native to eastern North America, naturally occurring from Nova Scotia west to Alberta and Montana, and south to Florida and central Texas. The American elm is an extremely hardy tree that can withstand winter temperatures as low as −42 ° C (−44 ° F). Trees in areas unaffected by Dutch elm disease (DED) can live for several hundred years. A prime example of the species was the Sauble Elm, which grew beside the banks of the Sauble River in Ontario, Canada, to a height of 43 m (140 ft), with a d.b.h of 196 cm (6.43 ft) before succumbing to DED; when it was felled in 1968, a tree-ring count established that it had germinated in 1701. For over 80 years, ''U. americana'' had been identified as a tetraploid, i.e. having double the usual number of chromosomes, making it unique within the genus. However, a study published in 2011 by t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cultivar
A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture, or carefully controlled seed production. Most cultivars arise from purposeful human manipulation, but some originate from wild plants that have distinctive characteristics. Cultivar names are chosen according to rules of the International Code of Nomenclature for Cultivated Plants (ICNCP), and not all cultivated plants qualify as cultivars. Horticulturists generally believe the word ''cultivar''''Cultivar'' () has two meanings, as explained in ''Formal definition'': it is a classification category and a taxonomic unit within the category. When referring to a taxon, the word does not apply to an individual plant but to all plants that share the unique characteristics that define the cultivar. was coined as a term meaning "cultivated variety ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zöschen
Zöschen is a village and a former municipality in the district Saalekreis, in Saxony-Anhalt, Germany. Since 31 December 2009, it is part of the town Leuna. Former municipalities in Saxony-Anhalt Leuna {{Saalekreis-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Germany
Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated between the Baltic and North seas to the north, and the Alps to the south; it covers an area of , with a population of almost 84 million within its 16 constituent states. Germany borders Denmark to the north, Poland and the Czech Republic to the east, Austria and Switzerland to the south, and France, Luxembourg, Belgium, and the Netherlands to the west. The nation's capital and most populous city is Berlin and its financial centre is Frankfurt; the largest urban area is the Ruhr. Various Germanic tribes have inhabited the northern parts of modern Germany since classical antiquity. A region named Germania was documented before AD 100. In 962, the Kingdom of Germany formed the bulk of the Holy Roman Empire. During the 16th ce ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Georg Dieck
Georg Dieck (28 April 1847 in Zöschen – 21 October 1925 in Zöschen) was a German entomologist and botanist. After attending high school in Naumburg, he studied natural sciences at Jena, where he was a pupil and assistant of Ernst Haeckel. In 1870, he taught in Zöschen at the large arboretum, where over 6000 different tree and shrub species were cultivated. In addition to the maintenance of plant collections, Dieck went on expeditions in the Rockies (1888), in the Caucasus (1891) and Spain (1892), where he collected beetles, plants and mosses, while new taxa such as ''Orthotrichum cupulatum'' var ''baldaccii'' were discovered. Further journeys led him to France, Italy and Sicily, Morocco, the Balkans and Turkey. He wrote many scientific papers describing new taxa, and introduced several plants to western cultivation, notably Ulmus pumila var. arborea, ''Ulmus pumila'' L. var. ''arborea'' Litv. from Turkestan. His collections are in the University of Halle-Wittenberg (Biozentrum ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arnold Arboretum
The Arnold Arboretum of Harvard University is a botanical research institution and free public park, located in the Jamaica Plain and Roslindale neighborhoods of Boston, Massachusetts. Established in 1872, it is the oldest public arboretum in North America. The landscape was designed by Charles Sprague Sargent and Frederick Law Olmsted and is the second largest "link" in the Emerald Necklace. The Arnold Arboretum's collection of temperate trees, shrubs, and vines has a particular emphasis on the plants of the eastern United States and eastern Asia, where arboretum staff and colleagues are actively sourcing new material on plant collecting expeditions. The arboretum supports research in its landscape and in its Weld Hill Research Building. History The Arboretum was founded in 1872 when the President and Fellows of Harvard College became trustees of a portion of the estate of James Arnold (1781–1868), a whaling merchant from New Bedford, Massachusetts. Arnold specified that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harvard University
Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of higher learning in the United States and one of the most prestigious and highly ranked universities in the world. The university is composed of ten academic faculties plus Harvard Radcliffe Institute. The Faculty of Arts and Sciences offers study in a wide range of undergraduate and graduate academic disciplines, and other faculties offer only graduate degrees, including professional degrees. Harvard has three main campuses: the Cambridge campus centered on Harvard Yard; an adjoining campus immediately across Charles River in the Allston neighborhood of Boston; and the medical campus in Boston's Longwood Medical Area. Harvard's endowment is valued at $50.9 billion, making it the wealthiest academic institution in the world. Endowment inco ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ernst Schelle
Ernst Schelle (1864–1945) was a German botanist who specialized in cacti. He was employed as Inspector of the botanical gardens in Tübingen. The grass species '' Helictotrichon schellianum'' ( Hack.) Kitag. is named for him. Publications * ''Handbuch der Laubholz-Benenung'', 1903 (with Ludwig Beissner, Hermann Zabel) – Handbook of deciduous tree designation. * ''Handbuch der kakteenkultur: Kurze beschreibung der meisten gegenwärtig im handel befindlichen kakteen, nebst angabe zu deren pflege. Für gärtner und kakteenliebhaber zusammengestellt'', 1907 – Handbook of cacti culture, etc. * ''Die winterharten Nadelhölzer Mitteleuropas'', 1909 – Hardy conifers of mid-Europe. * ''Der Blumengarten. Anleitung zur Anlage, Bepflanzung und Pflege eines einfachen Ziergartens'', 1912 – The flower garden. Instructions for installation, planting and maintenance of a simple decorative garden. * ''Wörterbuch der botanischen Kunstsprache für Gärtner, Gartenfreunde und Gartenbauz ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ludwig Beissner
Ludwig Beissner (6 July 1843 – 21 December 1927) was a German horticulturalist and dendrologist born in Ludwigslust, Mecklenburg-Schwerin. From 1887 to 1913, Beissner was inspector of the botanical gardens of Bonn. He was an author of a popular textbook on hardwoods ("''Handbuch der Laubholz-Benenung''") and on a study of softwoods ("''Handbuch der Nadelholzkunde''"), the latter work being published over three editions (1891, 1909 and 1930). Published works * ''Handbuch der Coniferen-Benennung : Systematische Einteilung der Coniferen und Aufzählung aller in Deutschland'', 1887 - Handbook of conifer designation, etc. * ''Handbuch der Laubholz-Benenung. Systematische und alphabetische Liste aller in Deutschland ohne oder unter leichtem Schutz im freien Lande ausdauernden Laubholzarten und Formen mit ihren Synonymen'', 1903 - Handbook of hardwood designation, etc. (with Ernst Schelle and Hermann Zabel). * ''Handbuch der Nadelholzkunde; Systematik, Beschreibung, Verwendung und Ku ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Elm Cultivar
American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, people who self-identify their ancestry as "American" ** American English, the set of varieties of the English language native to the United States ** Native Americans in the United States, indigenous peoples of the United States * American, something of, from, or related to the Americas, also known as "America" ** Indigenous peoples of the Americas * American (word), for analysis and history of the meanings in various contexts Organizations * American Airlines, U.S.-based airline headquartered in Fort Worth, Texas * American Athletic Conference, an American college athletic conference * American Recordings (record label), a record label previously known as Def American * American University, in Washington, D.C. Sports teams Soccer * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ulmus Articles Missing Images
Elms are deciduous and semi-deciduous trees comprising the flowering plant genus ''Ulmus'' in the plant family Ulmaceae. They are distributed over most of the Northern Hemisphere, inhabiting the temperate and tropical-montane regions of North America and Eurasia, presently ranging southward in the Middle East to Lebanon and Israel,Flora of Israel OnlineUlmus minor Mill. , Flora of Israel Online accessdate: July 28, 2020 and across the Equator in the Far East into Indonesia.Fu, L., Xin, Y. & Whittemore, A. (2002). Ulmaceae, in Wu, Z. & Raven, P. (eds) Flora of China'', Vol. 5 (Ulmaceae through Basellaceae). Science Press, Beijing, and Missouri Botanical Garden Press, St. Louis, US. Elms are components of many kinds of natural forests. Moreover, during the 19th and early 20th centuries, many species and cultivars were also planted as ornamental street, garden, and park trees in Europe, North America, and parts of the Southern Hemisphere, notably Australasia. Some individual el ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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