Umbilicus (Genus) (Paperback)

High Quality Content by WIKIPEDIA articles! Umbilicus is a genus of over ninety species of flowering plants in the family Crassulaceae. Many of its specie. The Crassulaceae, or orpine family, is a family of dicotyledons. They store water in their succulent leaves. They are found worldwide, but mostly occur in the Northern Hemisphere and southern Africa, typically in dry and/or cold areas where water may be scarce. The family includes about 1,400 species in 33 genera.