Pieter Willem Korthals
Dutch botanist / From Wikipedia, the free encyclopedia
Pieter Willem Korthals (September 1, 1807, Amsterdam – March 1892, Haarlem) was a Dutch botanist. Korthals was the official botanist with the Dutch East India Service from 1831 to 1836. Among his many discoveries was the medicinal plant Kratom (Mitragyna speciosa).[1]: 59 Korthals wrote the first monograph on the tropical pitcher plants, "Over het geslacht Nepenthes", published in 1839.[2]
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/6/65/Korthals%2C_P.W..jpg/220px-Korthals%2C_P.W..jpg)
Carl Ludwig Blume named the botanical genus Korthalsia (family Arecaceae) after Korthals,[3] and Philippe Édouard Léon Van Tieghem introduced the genus name Korthalsella (family Santalaceae) in his honor.[4] Bulbophyllum korthalsii was named after him.
The standard author abbreviation Korth. is used to indicate this person as the author when citing a botanical name.[5]