Pieter Willem Korthals [SEP] place of death
Pieter Willem Korthals
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"). Korthals wrote the first monograph on the tropical pitcher plants, "Over het geslacht "Nepenthes"", published in 1839.
Carl Ludwig Blume named the botanical genus "Korthalsia" (family Arecaceae) after Korthals,
Korthals
Korthals may refer to:
Things.
The dog, the Korthals Griffon, known as the Wirehaired Pointing Griffon
People.
- Benk Korthals (b. 1944), a Dutch politician
- Pieter Willem Korthals (1807-1892), a Dutch botanist in the Dutch East Indies
- Hendrik Albertus Korthals (1911-1976), a liberal Dutch politician
- Eduard Karel Korthals (1851-1896), Dutch dog breeder
- Robert W. Korthals, Canadian banker, president Toronto-Dominion