Umbilicus luteus

Umbilicus luteus, the reniform Venus' navel, is a succulent, perennial flowering plant in the family Crassulaceae, in the genus Umbilicus, found in the Southern Balkans and southern Italy.

Umbilicus luteus leaf extract had a highly virucidal effect to Acyclovir (ACV) resistant Herpes Simplex Virus Type 1 in vitro