The medicinal plants of Myanmar Author DeFilipps, Robert A. Deceased Author Krupnick, Gary A. https://orcid.org/0000-0002-1357-4826 Department of Botany, National Museum of Natural History, Smithsonian Institution, PO Box 37012, MRC- 166, Washington, DC, 20013 - 7012, USA krupnick@si.edu text PhytoKeys 2018 2018-06-28 102 1 341 http://dx.doi.org/10.3897/phytokeys.102.24380 journal article http://dx.doi.org/10.3897/phytokeys.102.24380 1314-2003-102-1 AA226A35FFF8FFBC37621A40C2518C67 1306325 Argemone mexicana L. Names. Myanmar : khaya . English : Mexican prickly poppy, prickly poppy, yellow prickly poppy. Range. Florida to Central America; West Indies. Uses. The juice is used as a treatment for edema. Seed : Used in laxative and expectorant preparations. Root : Used in the treatment of skin diseases. Notes. Medicinal uses of this species in India are discussed in Jain and DeFilipps (1991) . Chemical constituents, pharmacological action, and medicinal uses of this species in Indian Ayurveda are discussed in detail by Kapoor (1990) . Indigenous medicinal uses of this species in the Andaman and Nicobar Islands (India) are described by Dagar and Singh (1999) . The medicinal uses of this plant in the Caribbean region, as well as its chemistry, biological activity, toxicity and dosages, are discussed by Germosen-Robineau (1997) . The toxic properties, symptoms, treatment and beneficial used of this plant, parts of which are poisonous, are discussed by Nellis (1997) . Worldwide medicinal usage, chemical composition and toxicity of this species are discussed by Duke (1986) . While the oil of this species is not toxic in small amounts, a toxic substance has been isolated from it; two alkaloids, berberine and protopine, are present ( Perry 1980 ). In India L-glutamic acid (6% of defatted meal of oilseed cake) is used in its free state in treating mental deficiencies in infants and adolescents ( Perry 1980 ). References. Nordal (1963) , Perry (1980) .