Recent Examples on the WebOriginally named after their presence in the roots of the soapwort plant (Saponaria), saponins can dissolve in water to create a frothy broth.Wired, 14 July 2022 Trim bupleurum, white soapwort, blush Butterfly ranunculus, coral snapdragons, Colibri poppies, and pink ranunculus, varying the stem lengths and stripping off the lower leaves. Katie Strasberg Rousso, Southern Living, 26 Apr. 2021