Bamboo is a perennial plant of Gramineae, including woody stems and herbs. It is the fastest growing plant in the world, most concentrated in tropical and subtropical regions, East Asia, Southeast Asia, Indian Ocean and Pacific islands. Bamboo branches are tall and straight, slender, evergreen all the year round, proud of snow and frost, and are loved by the people of China. Known as the four gentlemen of Mei Lanju and the three friends of Mei Song.