Exotic Botany. Consisting of Coloured Figures, and Scientific Descriptions of such New, Beautiful , or Rare Plants as are Worthy of Cultivation in the Gardens of Britain; with Remarks on Their Qualities, History, and Requisite Modes of Treatment. London 2:105, t. 112. 1806
USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN) [Online Database].