The contribution of Johann Friedrich Klotzsch to the taxonomy of Croton (Euphorbiaceae) and associated genera

Abstract

The contribution of J. F. Klotzsch to Croton taxonomy is summarised through a review of the original literature, an examination of specimens and taxonomic decisions. The currently accepted names are given for Klotzsch's taxa associated with Croton. The new combinations Astraea comosa and A. jatropha are made. Lectotypes are designated for C. comosus, C. comosus var. major, C. comosus var. minor, C. compressus, C. essequiboensis, C. hircinus, C. jatropha, C. leucadenius, C. lobatus, C. multispicatus, C. muricatus, C. sphaerogynus, C. tricolor and Lasiogyne brasiliensis. Neotypes are designated for Argyrodendron bicolor and Cleodora sellowiana. Epitypes are designated for Croton hircinus and C. multispicatus. © 2011 BGBM Berlin-Dahlem.