Almost most of the whole creatures and every being had an umbilicus, as a reminder of its past or as a centrepiece of its architecture; the fruit has a stem that connects it to its branch, when it is ripe, and when it falls, it leaves a scar, as a navel, with very few exceptions; this is true for vegetables, fruits, fungi and mushrooms.
- 1.Everett TH. The New York botanical garden illustrated encyclopedia, vol. 10. New York: Taylor & Francis. https://books.google.com.eg/books?id=KeGzp-YXrPYC&lpg=PA3446&ots= MuINjC9EEk&dq=Umbilicus%20of%20fruits&pg=PA3446#v=onepage&q=Umbilicus%20of%20fruits&f=false
- 2.Quattrocchi U. CRC world dictionary of plant. Boca Raton: CRC Press; 1999. p. 1873.Google Scholar
- 3.Millspaugh CF. Omphalandria linearibracteata Millsp. Publ Field Columb Mus Bot Ser. 1900;2(1):59–60.Google Scholar