SYSTEMATICS, TYPIFICATION, DISTRIBUTION, AND REPRODUCTIVE-BIOLOGY OF PINCKNEYA-BRACTEATA (RUBIACEAE)

Complete taxonomic history, lectotypification, and putative generic re lationship of Pinckneya are presented. The much debated authorship of Flora boreali-americana and the validity of W. BARTRAM's binomials rel ative to this taxon are discussed. A single species, P. bracteata, is recognized. It occurs in the southeastern USA (South Carolina, Georgia , and northern Florida). Circumscription of the genus, complete synony my, and a description of the species are presented. Distribution map, phenological diagram, notes on phenology, and medicinal and economical uses are included. A short discussion on the conservation biology of this diminishing species is included.