She published Madeira: Flowers, Fruits and Ferns in 1845, which included a poem by William Wordsworth.
Her family acquired the Quinta da Achada wine estate on Madeira in the 19th century.
[2] Penfold married Captain William Withey Mathews (1821–1872) at the British Consulate in Madeira in March 1846, followed by a celebration at Castle Cary, Somerset, England on 26 July 1847.
It was published by Lovelle Augustus Reeve and was written "to gratify those visitors and residents who take an interest in [Madeiran] productions.
[9] Titled To a Lady in answer to a request that I would write her a poem upon some drawings that she had made of flowers in the Island of Madeira, which featured in her 1845 book.