Louis with the letter, in which he wrote, “I send you herewith inclosed, some slips of the Osages Plums, and Apples…I obtained the cuttings, now sent you, from the garden of Mr. Lewis sent back some slips of the trees from St. But most people now know the large, lumpy fruit as a “hedge apple.” The tree and fruit that Meriwether Lewis would call the Osage Plum or Apple when he wrote back to President Jefferson in March 1804, is today known as the Osage orange (Maclura pomifera). Photo: Creative Commons, 2.0, Mahieddine23