from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The predominant cortical pigment of some lichens, also found in roots of curled dock (Rumex crispus), having an orange-yellow colour and antifungal properties.
from The Century Dictionary and Cyclopedia
- n. Same as chrysophanic acid.
Sorry, no etymologies found.
The accumulation of the protective pigment parietin in Xanthoria parietina is induced specifically by UV-B radiation , while in Cladonia uncialis and Cladina rangiferina only UV-A radiation had a stimulating effect on the accumulation of usnic acid and atranorin, respectively.
Is parietin a UV-B or a blue-light screening pigment in the lichen Xanthoria parietina?