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Christiaan Hendrik Persoon (1 February 1761 – 16 November 1836) was a German
mycologist Mycology is the branch of biology concerned with the study of fungus, fungi, including their genetics, genetic and biochemistry, biochemical properties, their Taxonomy (biology), taxonomy and ethnomycology, their use to humans, including as a so ...
who made additions to Linnaeus'
mushroom A mushroom or toadstool is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground, on soil, or on its food source. ''Toadstool'' generally denotes one poisonous to humans. The standard for the name "mushroom" is t ...
taxonomy Taxonomy is the practice and science of categorization or classification. A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. ...
.


Early life

Persoon was born in
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
at the
Cape of Good Hope The Cape of Good Hope ( af, Kaap die Goeie Hoop ) ;''Kaap'' in isolation: pt, Cabo da Boa Esperança is a rocky headland on the Atlantic coast of the Cape Peninsula in South Africa. A common misconception is that the Cape of Good Hope is t ...
, the third child of an immigrant
Pomerania Pomerania ( pl, Pomorze; german: Pommern; Kashubian: ''Pòmòrskô''; sv, Pommern) is a historical region on the southern shore of the Baltic Sea in Central Europe, split between Poland and Germany. The western part of Pomerania belongs to ...
n father and Dutch mother. His mother died soon after he was born; at the age of thirteen his father (who died a year later) sent him to Europe for his education.


Education

Initially studying
theology Theology is the systematic study of the nature of the divine and, more broadly, of religious belief. It is taught as an academic discipline, typically in universities and seminaries. It occupies itself with the unique content of analyzing the ...
at
Halle Halle may refer to: Places Germany * Halle (Saale), also called Halle an der Saale, a city in Saxony-Anhalt ** Halle (region), a former administrative region in Saxony-Anhalt ** Bezirk Halle, a former administrative division of East Germany ** Hall ...
, at age 22 (in 1784) Persoon switched to
medicine Medicine is the science and practice of caring for a patient, managing the diagnosis, prognosis, prevention, treatment, palliation of their injury or disease, and promoting their health. Medicine encompasses a variety of health care pract ...
at
Leiden Leiden (; in English and archaic Dutch also Leyden) is a city and municipality in the province of South Holland, Netherlands. The municipality of Leiden has a population of 119,713, but the city forms one densely connected agglomeration wit ...
and
Göttingen Göttingen (, , ; nds, Chöttingen) is a college town, university city in Lower Saxony, central Germany, the Capital (political), capital of Göttingen (district), the eponymous district. The River Leine runs through it. At the end of 2019, t ...
. He received a
doctorate A doctorate (from Latin ''docere'', "to teach"), doctor's degree (from Latin ''doctor'', "teacher"), or doctoral degree is an academic degree awarded by universities and some other educational institutions, derived from the ancient formalism ''l ...
from the "Kaiserlich-Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher" in 1799.


Later years

He moved to
Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. S ...
in 1802, where he spent the rest of his life, renting an upper floor of a house in a poor part of town. He was apparently unemployed, unmarried, poverty-stricken and a recluse, although he corresponded with botanists throughout Europe. Because of his financial difficulties, Persoon agreed to donate his herbarium to the
House of Orange The House of Orange-Nassau (Dutch language, Dutch: ''Huis van Oranje-Nassau'', ) is the current dynasty, reigning house of the Netherlands. A branch of the European House of Nassau, the house has played a central role in the Politics and governm ...
, in return for an adequate pension for life.


Academic career

The origin of Persoon's botanical interest is unknown. The earliest of his works was ''Abbildungen der Schwämme'' (Illustrations of the fungi), published in three parts, in 1790, 1791, and 1793. In 1794, Persoon introduced the term for the furrowed ascomata of the lichen genus '' Graphis''. Between 1805 and 1807, he published two volumes of hi
''Synopsis plantarum''
a popular work describing 20,000 species of all types of plants. But his pioneering work was in the fungi, for which he published several works, beginning with th
''Synopsis methodica fungorum''
(1801); it is the starting point for nomenclature of the Uredinales, Ustilaginales, and the Gasteromycetes. Persoon described many
polypore Polypores are a group of fungi that form large fruiting bodies with pores or tubes on the underside (see Delimitation for exceptions). They are a morphological group of basidiomycetes-like gilled mushrooms and hydnoid fungi, and not all polypor ...
species; most were from his own collections in central Europe, while several other tropical species were sent to him from collections made by French botanist Charles Gaudichaud-Beaupré during his circumglobal expedition. These latter fungi are among the first tropical polypores ever described. In 1815, Persoon was elected a corresponding member of the
Royal Swedish Academy of Sciences The Royal Swedish Academy of Sciences ( sv, Kungliga Vetenskapsakademien) is one of the Swedish Royal Academies, royal academies of Sweden. Founded on 2 June 1739, it is an independent, non-governmental scientific organization that takes special ...
. The genus ''
Persoonia ''Persoonia'', commonly known as geebungs or snottygobbles, is a genus of about one hundred species of flowering plants in the family Proteaceae. Plants in the genus ''Persoonia'' are shrubs or small trees usually with smooth bark, simple leav ...
'', a variety of small Australian trees and shrubs, was named after him. The title ''Persoonia'' is also given to a
biannual An anniversary is the date on which an event took place or an institution was founded in a previous year, and may also refer to the commemoration or celebration of that event. The word was first used for Catholic feasts to commemorate saints. ...
scientific journal of molecular phylogeny and evolution of fungi, published jointly by the National Herbarium of the Netherlands and the CBS Fungal Biodiversity Centre.


See also

* :Taxa named by Christiaan Hendrik Persoon


References

* Duane Isely, ''One hundred and one botanists'' (Iowa State University Press, 1994), pp. 124–126.


External links


Christian Hendrik Persoon

Persoonia

Hunt Institute-botanical archives
{{DEFAULTSORT:Persoon, Christiaan Hendrik German taxonomists 1761 births 1836 deaths Mycologists Members of the Royal Swedish Academy of Sciences Burials at Père Lachaise Cemetery South African botanists 18th-century German botanists 19th-century German botanists 18th-century German writers 18th-century German male writers 19th-century German writers 19th-century German male writers Members of the Bavarian Academy of Sciences South African people of Dutch descent South African people of German descent