[letteski]

Mark,

Skullcap is the herb of a member of the mint family from rich woods and moist soils in eastern North America. Another commonly used species is Baikal skullcap, (S. baicalensis), the root of which is the Chinese drug huang-qin. It is found in sandy fields in northeast China and adjacent Russia and in the mountains of southwest China.

So it is an herb not a skull you can read more here its is a beautiful herb wonder if it will grow at 7000 feet?