- A, Rhizome portion. B, Root portion. (1/2 natural size.)
This image is from Gentiana in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.

- A, Rhizome portion. B, Root portion. (1/2 natural size.)
This image is from Gentiana in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.