Trees have been acclimatized in Spain but are rarely cultivated there. Etymology Quillaja is derived from the Chilean vernacular name for this species, culay. Saponaria means 'soap-like'. References Sources C. Donoso. 2005. Árboles nativos de Chile. Guía de reconocimiento. Edición 4. Marisa Cuneo Ediciones, Valdivia, Chile. 136p. Encyclopedia of the Chilean Flora. 2009. Quillaja saponaria Adriana Hoffmann. 1998. Flora Silvestre de Chile, Zona Central. Edición 4. Fundación Claudio Gay, Santiago. 254p. C. Michael Hogan. 2008. Chilean Wine Palm: Jubaea chilensis, GlobalTwitcher.com, ed. Nicklas Stromberg J. Taylor. 1990. The Milder Garden. Dent Chevallier, Andrew, 1996. The Encyclopedia of Medicinal Plants, Dorling Kindersley, 336p. Singh, Manmohan, 2007. Vaccine Adjuvants and Delivery Systems, John Wiley & Sons, Hoboken, New Jersey, 457 pp. External links Chilean Matorral Flora of central Chile Trees of Chile Trees of Mediterranean climate Drought-tolerant trees Medicinal plants saponaria Saponaceous plants