Tibet, Plant and animal life

The windswept Ch'iang-t'ang is devoid of trees and larger forms of vegetation. Its arid climate supports little except grasses. The varied plant life of Tibet is found in the river valleys and in the lower, wetter regions of the south and southeast. Plant life includes willows, poplars, several types of conifers, teak, rhododendrons, oaks, birches, elms, bamboo, sugarcane,