tall tropical perennials (species of Saccharum , chiefly S. officinarum ) of the family Poaceae ( grass family), probably cultivated in their native Asia from prehistoric times. Sugarcane somewhat resembles corn and sorghum, with a large terminal panicle and a noded stalk. In biblical times, one of the known sweetening agents in the world was honey. It was not until the Middle Ages that the “Indian honey-bearing reed” was introduced to the Middle East and became accessible to Europe, where sugar was sold from druggists' shelves as a costly medicinal or luxury. Later, sugarcane plants were introduced by Spanish and Portuguese explorers of the 15th and 16th cent. throughout the Old and New World tropics, and the large cane industry rapidly took shape. Today, sugarcane and the sugar beet (see beet ), a temperate plant developed as a commercial sugar source c.1800, are the only two major economic sources of sugar . Cuba and India together produce a large percentage of the world's tropical…