Malaysian cuisine is derived from the pith extracted from the sago palm, and is the staple food for the Melanau and the Penan peoples of Sarawak. Sago starch is prepared as a gooey and sticky paste by the Bisaya and Kedayan communities called ambuyat, and is called "" by the Melanau. It is eaten by rolling the paste around the prongs of a bamboo fork, and dipped it into soup, "sambal", or other varieties of gravies and dipping sauces. Aside from being the source for sago pith, the sago palm is a source of another delicacy for the indigenous peoples of Borneo:
Castilla (plant) been extracted. The vernacular name is "Panama rubber tree" or "castilloa rubber". The pre-Columbian MesoAmericans used the latex of this plant to make a ball used in a ceremonial game. Rubber Castilla (plant) Castilla (sometimes incorrectly spelled "Castilloa") is a genus of 3 species of large trees in the flowering plant family Moraceae. The genus is native to Central and South America. This genus is named after Juan Diego del Castillo (d. 1793), a Spanish botanist who was a friend of Vicente Cervantes, who chose the name in his friend's honor. "Castilla" species are monoecious or dioecious trees up to