Seeing Elder Xu's expression, Yunfan knew that the old man must know something.
Elder Xu nodded and said, "Baizhilan is reputed to be a legendary divine medicine. Its growing conditions are extremely harsh; it must grow on the shady side of a cliff a hundred zhang high."
"Not only the shady side of a cliff, but it also needs to grow next to a waterfall so the humidity is right."
Chapter 269