Bamboo is a group of woody perennial evergreen plants in the true grass family Poaceae, subfamily Bambusoideae, tribe Bambuseae. Some of its members are giant bamboo, forming by far the largest members of the grass family. New shoots of some of the larger species can grow over 1 meter per day. They are of economic and high cultural significance in East Asia and South East Asia where they are used extensively in gardens, as a building material as well as a food source. In Filipino, they are known as [K]awayan, in Chinese as zhu (Chinese: