Sago or shortly after the inflorescence appears. The stems, which grow 10 to 15 metres high), are split out. The starch-containing pith is taken from the stems and ground to powder. The powder is kneaded in water over a cloth or sieve to release the starch. The water with the starch passes into a trough where the starch settles. After a few washings, the starch is ready to be used in cooking. A single palm yields about 800 pounds (360 kilograms) of dry starch. The sago palm, "Metroxylon sagu", is found in tropical lowland forest and freshwater swamps across Southeast Asia
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