Petrus Houttuyn (18 June 1648, Amsterdam – 10 January 1709, Leiden), often cited as Peter Hotton, was a Dutch botanist and medical professor of medicine and botany at Leiden University. As professor of botany, he was ex officio supervisor of the university's botanic garden, and was given an official residence and an allowance for foreign correspondence and the exchange of seeds and plants.
He studied medicine in Leiden, obtaining his doctor's degree in 1672. In 1695, he succeeded Paul Hermann as professor of botany at the University of Leiden. Houttuyn was a member of the Leopoldina and a fellow of the Royal Society of London.The Botany of the Commelins by D.O. Wijnands He was succeeded in turn by Herman Boerhaave.
The genus Hottonia (family Primulaceae) is named in his honor.An illustrated flora of the northern United States, Canada by Nathaniel Lord Britton, Addison Brown
Selected works Positiones quaedam medicae, 1672. Sermo academicus quo rei herbariae historia et fata adumbrantur, 1695. Letter from Petrus Hotton (1648-1709), 1704. Bibliotheca Hottoniana: sive Catalogus Librorum, 1709.WorldCat Identities Most widely held works by Petrus Hotton
References Horn, W. & Kahle, I. & Friese, G. & Gaedike, R. (1990)Collectiones entomologicae. Eine Kompendium über den Verbleib entomologischer Sammlungen der Welt bis 1960. Berlin: Akadademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik. Dictionnaire des sciences médicales. Biographie médicale. Bd. 5 Paris, 1822.