Laportea Gaudich. (syn.: Fleurya Gaudich.)
Laportea is a mostly pantropical genus with ca. 28 species (Chen & al. 2003). A few species, including L. aestuans, are reputed weeds and have been recorded outside their original distribution range.
Literature:
Chen J., Friis I. & Wilmot-Dear C.M. (2003) Laportea. In: Wu, Z. & Raven, P.H. [eds.], Flora of China, vol. 5. Science Press, Beijing and Missouri Botanical Garden Press, St. Louis, Missouri: 85-89. [available online at: http://flora.huh.harvard.edu/china/pdf/PDF05/Laportea.pdf]
Chew W.L. (1965) Laportea and allied genera (Urticaceae). The Gardens' Bulletin, Singapore 21: 195-208. [available online at: http://www.biodiversitylibrary.org/item/148078#page/7/mode/1up]
Chew W.L. (1969) A monograph of Laportea (Urticaceae). The Gardens' Bulletin, Singapore 25: 111-178. [available online at: http://www.biodiversitylibrary.org/item/148433#page/7/mode/1up]