Discovery of bamboo phytolith in the loess-paleosol sequences of Guanzhong Basin, Shaanxi Province

In the study of various fossilized remains of flora in loess-paleosol deposits, there has been no direct evidence of bamboo plant so far, and only some bone fragments of Bhizomys sinensis have been identified which survived by feeding on bamboo plants. Subfamily of Bambosiodeae constitutes an important component of the Graminea family, widely distributed in South China at present. It is usually difficult to differentiate the pollen of bamboo plants from other pollen. As a result, much important information about the