By William R. Dunkarton, from an original by Philip Reinagle (1749-1833). From Robert Thornton 'Temple of Flora or Garden of the Botanist, Poet, Painter and Philosopher' (London, 1812).
William R. Dunkarton (also known as Robert Dunkarton) (1744-1811), was a mezzotint engraver from London.
Philip Reinagle (1749-1833) was an English animal, landscape and botanical painter.
Robert Thornton (1768-1837) was an English physician and botanical writer.