Recent changes in Thai Euphorbiaceae sensu lato


  • Peter C. Van Welzen Nationaal Herbarium Nederland - Leiden Universiteit Branch, P.O. Box 9514, 2300 RA Leiden, The Netherlands.


Alchornea, Chorisandrachne, Euphorbiaceae, Flueggea, Galearia, Hancea, Koilodepas, Leptopus, Mallotus, Richeriella


Alchornea trewioides (Benth.) Müll.Arg. appears to be a misapplied name in Thailand, the correct name for the species is A. parviflora (Benth.) Müll.Arg. The variety Alchornea rugosa var. macrocarpa Airy Shaw is not recognized any longer. The monotypic genus Chorisandrachne Airy Shaw is reinstated, and separated again from Leptopus Decne based on phylogenetic evidence. The circumscription of Mallotus Lour. has changed drastically. A part of Mallotus is separated as Hancea Seem., while Trewia Lour. is united with Mallotus. Koilodepas Hassk. appears to be present in Thailand with three species instead of one, and Galearia Zoll. & Moritzi is present with two instead of a single species. The genera Richeriella Pax & K.Hoffm. and Flueggea Willd. are united under the latter name.


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How to Cite

Van Welzen, P. C. (2014). Recent changes in Thai Euphorbiaceae sensu lato. Thai Forest Bulletin (Botany), (37), 212–218. Retrieved from