After the excitement had subsided, and with the Black Cloud Leopard's silent permission, Mo Yan carefully distinguished the ginseng plants spread over an area of about an acre. She found that most of these ginseng roots were relatively young, with the most common ones being around twenty to thirty years old. There were only about a hundred that were over a hundred years old, and a very few were over a century old, estimated to be two to three hundred years old.