Plate V.
Fig. 1. Coptis trifolia with the root, leaves, flowers and last year's fruit.
Fig. 2. Nectaries, stamens, and pistils magnified.
Fig. 3. Section of a capsule showing the seeds.

This image is from Coptis in American Medical Botany, Bigelow, 1817-1821.
(used in Rafinesque)