Isorhapontin is a stilbenoid.It is the glucoside of isorhapontigenin.It can be found in mycorrhizal and non-mycorrhizal roots of Norway spruces (Picea abies),[1] in the bark of Picea sitchensis[2][3] or in white spruce (Picea glauca).This article about an aromatic compound is a stub.You can help Wikipedia by expanding it.