Johann Friedrich Thilo Irmisch (14 January 1816 in

Sondershausen Sondershausen is a town in Thuringia, central Germany, capital of the Kyffhäuserkreis district, situated about 50 km north of Erfurt. On 1 December 2007, the former municipality Schernberg was incorporated by Sondershausen. Until 1918 it ...

– 28 April 1879 in Sondershausen) was a 19th-century German

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

. Irmisch studied theology, philosophy and natural history at the

University of Halle-Wittenberg Martin Luther University of Halle-Wittenberg (german: Martin-Luther-Universität Halle-Wittenberg), also referred to as MLU, is a public, research-oriented university in the cities of Halle and Wittenberg and the largest and oldest university i ...

. He received training in

botany Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek w ...

from professor D. von Schlechtendal, who later became his friend. From 1855, he taught at the high school in

. At the same time, he published numerous larger and smaller papers and books on botanical subjects, in particular

plant morphology Phytomorphology is the study of the morphology (biology), physical form and external structure of plants.Raven, P. H., R. F. Evert, & S. E. Eichhorn. ''Biology of Plants'', 7th ed., page 9. (New York: W. H. Freeman, 2005). . This is usually cons ...

, e.g. ''Beiträge zur vergleichenden Morphologie der Pflanzen'' (Contribution to a comparative morphology of plants), published in six volumes 1854-1878. Two plant

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...

were named to his honour. His friend and former teacher von Schlechtendal named the genus ''Irmischia'', which was soon synonymized with '' Metastelma'' (

Apocynaceae Apocynaceae (from ''Apocynum'', Greek for "dog-away") is a family of flowering plants that includes trees, shrubs, herbs, stem succulents, and vines, commonly known as the dogbane family, because some taxa were used as dog poison Members of the ...

August Eichler August Wilhelm Eichler, also known under his Latinized name, Augustus Guilielmus Eichler (22 April 1839 – 2 March 1887), was a German botanist who developed a new system of classification of plants to reflect the concept of evolution. His aut ...

then named the genus '' Thiloa'' (

Combretaceae The Combretaceae, often called the white mangrove family, are a family of flowering plants in the order Myrtales. The family includes about 530 species of trees, shrubs, and lianas in ca 10 genera. The family includes the leadwood tree, ''Combre ...

) for Thilo Irmisch.

Works

* ''Über einige Botaniker des 16. Jahrhunderts, welche sich um die Erforschung der Flora Thüringens, des Harzes und der angrenzenden Gegenden verdient gemacht haben'' . Eupel, Sondershausen 186
Digital edition
by the

University and State Library Düsseldorf The University and State Library Düsseldorf (german: Universitäts- und Landesbibliothek Düsseldorf, abbreviated ULB Düsseldorf) is a central service institution of Heinrich Heine University. Along with Bonn and Münster, it is also one of th ...

Literature

References

External links

* * {{DEFAULTSORT:Irmisch, Thilo 1816 births 1879 deaths People from Sondershausen 19th-century German botanists Martin Luther University of Halle-Wittenberg alumni