A PROVISIONAL SYNOPSIS OF THE SECTIONS OF THE GENUS CROTON (EUPHORBIACEAE)

The 19th century classification of Croton by Muller Argoviensis is hig hly artificial. A revised system that incorporates the sections propos ed by Baillon and Grisebach is presented, with a key to the 40 section s recognized. For each section, types and synonymy are indicated, alon g with a description and list of representative species. Described as new are 2 sections (C. sect. Anadenocroton, sect. Corylocroton) and 3 subsections (C. subsect. Cuneati, subsect. Matourenses, subsect, Sampa tik); 2 new sectional names (C sect. Argyrocroton, sect. Luntia) repre sent changes in rank.