Umbilicaria
noun
Um·bil·i·car·ia
ˌəmˌbiləˈka(a)rēə
: a small genus related to Lecanora and composed of foliose umbilicate lichens that are used especially in folk medicine as a purgative see rock tripe
Word History
Etymology
New Latin, from Late Latin umbilicaris umbilical (from Latin umbilicus navel + -aris -ar) + New Latin -ia