Anders Sandøe Ørsted (botanist)
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Anders Sandøe Ørsted, also written as ''Anders Sandoe Oersted'' or ''Anders Sandö Örsted'' (21 June 1816 – 3 September 1872) was a Danish
botanist Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...
,
mycologist Mycology is the branch of biology concerned with the study of fungi, including their taxonomy, genetics, biochemical properties, and use by humans. Fungi can be a source of tinder, food, traditional medicine, as well as entheogens, poison, and ...
,
zoologist Zoology ( , ) is the scientific study of animals. Its studies include the structure, embryology, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems. Zoology is one ...
and
marine biologist Marine biology is the scientific study of the biology of marine life, organisms that inhabit the sea. Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology clas ...
. He was the nephew of physicist
Hans Christian Ørsted Hans Christian Ørsted (; 14 August 1777 – 9 March 1851), sometimes Transliteration, transliterated as Oersted ( ), was a Danish chemist and physicist who discovered that electric currents create magnetic fields. This phenomenon is known as ...
and of politician
Anders Sandøe Ørsted Anders Sandøe Ørsted (21 December 1778 – 1 May 1860) was a Danish lawyer, politician and jurist. He served as the Prime Minister of Denmark in 1853–1854. Biography He studied philosophy and law at the University of Copenhagen and was ...
.


Career

In his early career, he published on Danish and
Arctic The Arctic (; . ) is the polar regions of Earth, polar region of Earth that surrounds the North Pole, lying within the Arctic Circle. The Arctic region, from the IERS Reference Meridian travelling east, consists of parts of northern Norway ( ...
nematode The nematodes ( or ; ; ), roundworms or eelworms constitute the phylum Nematoda. Species in the phylum inhabit a broad range of environments. Most species are free-living, feeding on microorganisms, but many are parasitic. Parasitic worms (h ...
s and on the zonation of
marine algae Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine current power * Marine debris * Marine energy * Marine habitats * M ...
in
Øresund Øresund or Öresund (, ; ; ), commonly known in English as the Sound, is a strait which forms the Denmark–Sweden border, Danish–Swedish border, separating Zealand (Denmark) from Scania (Sweden). The strait has a length of ; its width var ...
. Between 1845 and 1848, he travelled extensively in
Central America Central America is a subregion of North America. Its political boundaries are defined as bordering Mexico to the north, Colombia to the southeast, the Caribbean to the east, and the Pacific Ocean to the southwest. Central America is usually ...
and the
Caribbean The Caribbean ( , ; ; ; ) is a region in the middle of the Americas centered around the Caribbean Sea in the Atlantic Ocean, North Atlantic Ocean, mostly overlapping with the West Indies. Bordered by North America to the north, Central America ...
and published numerous papers on the
flora Flora (: floras or florae) is all the plant life present in a particular region or time, generally the naturally occurring (indigenous (ecology), indigenous) native plant, native plants. The corresponding term for animals is ''fauna'', and for f ...
, concentrating on the plant families
Acanthaceae Acanthaceae () is a Family (biology), family (the acanthus family) of dicotyledonous flowering plants containing almost 250 genera and about 2500 species. Most are Tropics, tropical Herbaceous plant, herbs, shrubs, or twining vines; some are epip ...
and
Fagaceae The Fagaceae (; ) are a family of flowering plants that includes beeches, chestnuts and oaks, and comprises eight genera with around 1,000 or more species. Fagaceae in temperate regions are mostly deciduous, whereas in the tropics, many species ...
. One of his better known publications is ''L'Amérique Centrale''. He was appointed professor of botany at the
University of Copenhagen The University of Copenhagen (, KU) is a public university, public research university in Copenhagen, Copenhagen, Denmark. Founded in 1479, the University of Copenhagen is the second-oldest university in Scandinavia, after Uppsala University. ...
in 1851, a post he held until 1862. He was succeeded by Ferdinand Didrichsen. His studies of what has since been known as juniper-pear rust showed that this fungus annually switches between two hosts; '' Juniperus sabina'' is the primary ( telial) host and pear, ''
Pyrus communis ''Pyrus communis'', the common pear, is a species of pear native plant, native to central and eastern Europe, and western Asia. It is one of the most important fruits of temperate regions, being the species from which most orchard pear cultivars ...
'', is the secondary ( aecial) host. He thus was the first to discover that some plant-parasitic fungi are
heteroecious A heteroecious parasite is one that requires at least two hosts. The ''primary host'' is the host in which the parasite spends its adult life; the other is the ''secondary host''. Both hosts are required for the parasite to complete its life cy ...
. These studies were continued on other '' Gymnosporangium'' species. The
orchid Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Orchids are cosmopolitan plants that are found in almost every habitat on Eart ...
genus '' Oerstedella'' Reichenbach f. is named for him. He is the author of several hundred plant names still in use.IPNI list of plant names with Oerst. as author.
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References


External links


View digitized titles by Anders Sandøe Ørsted
in Botanicus.org * {{DEFAULTSORT:Orsted, Anders Sandoe 19th-century Danish botanists 19th-century Danish zoologists Danish mycologists Danish marine biologists Botanists active in Central America Botanists active in the Caribbean 1816 births 1872 deaths University of Copenhagen alumni Academic staff of the University of Copenhagen People from Langeland Municipality