The importance of the plates in the Verhandelingen over de natuurlijke geschiedenis der Nederlandsche overzeesche bezittingen, Botanie for the nomenclature of South-East Asian plants

摘要

The botany volume of the Verhandelingen over de natuurlijke geschiedenis der Nederlandsche overzeesche bezittingen was written by P.W. Korthals. It contains accounts of nearly 200 plant species from what is now western Indonesia, and includes 70 plates. The volume was published in seven parts from 1840 to 1844. A large number of the plates were published before the text that included the subjects of the illustrations. As these mostly meet the requirements of an illustration with analysis, the species names on the plates were validated before the text descriptions. This includes a number of generic names validated by the equivalent of a descriptio generico-specifica. All such cases from Korthals's work are here listed with the correct publication date. Due to overlooked homonymy, Ploiarium elegans Korth. is the correct name for P. alternifolium (Szyszyl.) Melch. The names Gordonia ovalis and Mitragyna speciosa should be attributed to Korthals. The new combination Dissochaeta pachygyna (Korth.) I.M. Turner is proposed. The combination Polyspora vulcanica is validated. Lectotypes are designated for 14 names, and 5 second-step designations of lectotype are proposed.