White Snowplant

Iresine angustifolia is a member of the Caryophyllales order and is part of a genus supported by monophyletic evidence from pollen characters and DNA sequence data. The species is native to a wide range of locations in South and Central America. The taxonomic status of related Iresine species is under discussion, with some specimens lacking clear geographic origin or proper labeling. Lectotypification is suggested for certain species, such as I. elatior, due to ambiguous specimen labels and uncertain origins. The species limits of Iresine have not been fully studied, and some names, such as 'Rosea poeppigiana Klotzsch,' are not validly published.