Carl Ludwig Willdenow

German botanist (1765–1812)

"Willd." redirects here. Not to be confused with Wild.

Carl Ludwig Willdenow

Born| (1765-08-22)22 August 1765

Berlin, Kingdom of Prussia, Holy Roman Empire

Died| 10 July 1812(1812-07-10) (aged 46)

Berlin, Kingdom of Prussia

Nationality| German
Alma mater| University of Halle
Scientific career
Fields| botany
pharmacy
taxonomy
Institutions| Humboldt University of Berlin

Carl Ludwig Willdenow (22 August 1765 - 10 July 1812) was a German botanist, pharmacist, and plant taxonomist. He is considered one of the founders of phytogeography, the study of the geographic distribution of plants. Willdenow was also a mentor of Alexander von Humboldt, one of the earliest and best known phytogeographers. He also influenced Christian Konrad Sprengel, who pioneered the study of plant pollination and floral biology.

## Biography

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Willdenow was born in Berlin and studied medicine and botany at the University of Halle. After studying pharmaceutics at Wieglieb College, Langensalza and in medicine at Halle, he returned to Berlin to work at his father's pharmacy located in the Unter den Linden. His early interest in botany was kindled by his uncle J. G. Gleditsch and he started a herbarium collection in his teenage years. In 1794, he became a member of the Berlin Academy of Sciences. He was a director of the Botanical garden of Berlin from 1801 until his death. In 1807, Alexander von Humboldt helped to expand the garden. There he studied many South American plants, brought back by Humboldt. He was interested in the adaptation of plants to climate, showing that the same climate had plants having common characteristics. His herbarium, containing more than 20,000 species, is still preserved in the Botanical Garden in Berlin. Some of the specimens include those collected by Humboldt.

Humboldt notes that as a young man, he was unable to identify plants using Willdenow's Flora Berolinensis. He subsequently visited Willdenow without an appointment and found him to be a kindred soul only four years older and in three weeks he became an enthusiastic botanist.[1]

In his 1792 book, Grundriss der Kräuterkunde or Geschichte der Pflanzen Willdenow came up with an idea to explain restricted plant distributions. Willdenow suggested that it was based on past history with mountains surrounded by seas with different sets of plants initially restricted to the peaks which then spread downward and out with receding sea levels. This would fit with the Biblical notion of floods. This was contrary to earlier assertions by Eberhard August Wilhelm von Zimmermann that plants were distributed as they had been in the past and that there had been no changes.[2]

The standard author abbreviation Willd. is used to indicate this person as the author when citing a botanical name.[3]

## Works

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* Florae Berolinensis prodromus Archived 2017-08-07 at the Wayback Machine (1787)
* Grundriß der Kräuterkunde (1792)
* Linnaei species plantarum (1798–1826, 6 volumes) Botanicus
* Anleitung zum Selbststudium der Botanik (1804)
* Historia Amaranthorum Archived 2016-11-08 at the Wayback Machine (1790)
* Phytographia Archived 2016-11-08 at the Wayback Machine (1794)
* Enumeratio plantarum horti regii botanici Berolinensis Archived 2016-11-08 at the Wayback Machine (1809)
* Berlinische Baumzucht (1811)
* Abbildung der deutschen Holzarten für Forstmänner und Liebhaber der Botanik (1815-1820, Band 1-2) Digital edition by the University and State Library Düsseldorf
* Hortus Berolinensis (1816)

## See also

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* Willdenowia (plant), in the family Restionaceae
* Selaginella willdenowii, Willdenow's spikemoss
* Willdenowia (journal), Annals of the Botanic Garden and Botanical Museum Berlin, named to honour Willdenow

## References

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1. ^ Hiepko, Paul (2006). "Humboldt, his botanical mentor Willdenow, and the fate of the collections of Humboldt & Bonpland". Botanische Jahrbücher. 126 (4): 509–516. doi:10.1127/0006-8152/2006/0126-0509.
2. ^ Morrone, Juan (2009). Evolutionary Biogeography: An Integrative Approach with Case Studies. Columbia University Press. p. 25.
3. ^ International Plant Names Index.  Willd.

## External links

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Wikisource has original works by or about:
Carl Ludwig Willdenow

* Grundriss der Kräuterkunde zu Vorlesungen (1792)
* Allgemeine Deutsche Biographie

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