The Collaborative International Dictionary
chrysophanic
Parietic \Pa`ri*et"ic\, a. (Chem.) Pertaining to, or designating, an acid found in the lichen Parmelia parietina, and called also chrysophanic acid.
Wiktionary
chrysophanic
a. Pertaining to, derived from, or resembling chrysophane.
Wikipedia
Usage examples of "chrysophanic".
Chrysarobin is a reduced quinone, and chrysophanic acid (also found in rhubarb yellow lichen, Buckthorn Berries, Rumox Eckolianus, a South African dock, etc.
The assertion has been made that the bark contains glucosides which yield on hydrolysis Chrysophanic acid, but the evidence on this point is conflicting.