This is Sha Ji(沙棘). It's edible.

We arrived at the bottom of mountain about 2:30PM. On the way back to Di Qing, we came to Fei Lai Temple飞来寺 about 4:30PM. There were three places most suitable to viewing Meli Mountain: Viewing Platform, Tai Zi temple 太子庙页码：[1] [2] [3] [4] [5] [6] [7] [8] 第6页、共8页