Irvingia gabonensis is a species of African trees in the genus Irvingia, sometimes known by the common names wild mango, African mango, bush mango, dika or ogbono. They bear edible mango-like fruits, and are especially valued for their fat- and protein-rich nuts.
Physically above and in contact with.
“Place the book upon the table.”
Physically directly supported by.
“The crew set sail upon the sea.”
“She balanced upon one foot.”
Being followed by another so as to form a series.
“hours upon hours, years upon years”
At (a prescribed point in time).
“The contract was rendered void upon his death.”
Being the target of an action.
“He was set upon by the agitated dogs”