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Pieter Willem Korthals

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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).[1]: 59  Korthals wrote the first monograph on the tropical pitcher plants, "Over het geslacht Nepenthes", published in 1839.[2]

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.


  1. ^ Eisenman, Sasha W (2014). "Chapter 5. The Botany of Mitragyna speciosa (Korth.) Havil. and Related Species". In Raffa, Robert B. (ed.). Kratom and Other Mitragynines: The Chemistry and Pharmacology of Opioids from a Non-Opium. CRC Press. pp. 57–76. ISBN 978-1-4822-2519-8.
  2. ^ (in Dutch) Korthals, P.W. 1839. Over het geslacht Nepenthes. In: C.J. Temminck 1839–1842. Verhandelingen over de Natuurlijke Geschiedenis der Nederlandsche overzeesche bezittingen; Kruidkunde. Leiden. pp. 1–44, t. 1–4, 13–15, 20–22.
  3. ^ Palms of Southern Asia by Andrew Henderson
  4. ^ Plant Disease Jan. 2009 PD-62 Hawaiian Mistletoes (Korthalsella Species)
  5. ^ International Plant Names Index.  Korth.

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