Miniature of a ciperus, or rush or galingale plant; miniature of a calamus, or sweet flag plant. Image taken from f. 25 of Tractatus de herbis (Herbal); De Simplici Medicina (index Secreta Salernitana); Circa i More
Public domain image related to botany, botanical artwork, free to use, no copyright restrictions image - Picryl description
Public domain photo of botanical artwork, 16th century, free to use, no copyright restrictions image - Picryl description.