Compendium of Materia Medica

Jin? Wen? Si? Shi? Complete? Book? Likely a reference to the Siku Quanshu edition.
Final Volume, Part One

A traditional woodcut illustration of a Duzhong (Eucommia ulmoides) tree. The tree features a thick, textured trunk with visible roots at the base. The branches are drawn with delicate lines, some weeping or drooping, and are adorned with clusters of small, oval-shaped leaves. The ground is suggested by minimal horizontal strokes and dots at the base of the trunk.