These texts were written with stencils by the monks on sugar palm leaves. The ingredients of cendol relies heavily on "aren" (sugar palm) and coconut plants. The Ramkhamhaeng Stele says that Ramkhamhaeng erected this stone throne in the sugar palm grove. The Kanekes people would sell fruits, honey and sugar palm through the middlemen. It has more sugar palm trees than any other province. Later he learnt the answer, calling the sugar palm a "magic tree". Other species used include the coconut palm, sugar palm, and palmyra palm. Sugar palm is a common name for several species of palms used to produce sugar.