Yushania microphylla ( microphylla bamboo )
Y. microphylla can be hear grazing on this mountain bamboo from the northeasterly Himalayas . Its rootstock necks are hollow . Bamboo is a common term for a large number of giant grasses that include many unlike metal money and multifariousness . There are two main type of bamboo . Runner types send out underground stem to vary distances and send up a erect shoot . These will grow in large coppice or plantation if left alone ....