Phoenix (plant) hybridisation and cross-pollination. Several natural hybrids were hence obtained: "P. dactylifera X. P. sylvestris "(India)," P. dactylifera × P. canariensis" (Morocco, Algeria and Israel), and " P. dactylifera × P. reclinata "(Senegal). "Phoenix" species are used as food plants by the larvae of some Lepidoptera species, including "Paysandisia archon" and the "Batrachedra" species "B. amydraula" (recorded on "P. dactylifera"), "B. arenosella" and "B. isochtha" (feeds exclusively on "Phoenix" spp.). The fruit of "P. dactylifera", the date of commerce, is large with a thick layer of fruit pulp, edible, very sweet and rich in sugar; the other species have only a
The Walnut Tree based on this lore was perpetuated in Britain for the next two centuries. George Pettie's translation of the "Civil Conversations" of Stefano Guazzo (1530–93), a book first published in Italy in 1574, records that he had once come across the proverb 'A woman, an ass and a walnut tree, Bring more fruit, the more beaten they be'. What is now the better known English version appears shortly after in the works of John Taylor, Roger L'Estrange includes Abstemius' story in his "Fables of Aesop and Other Eminent Mythologists" a century later. His shortened version runs: 'A Good Woman happen'd to