A typical market scene from Ghana. Unfortunately I do not know typical African fruit and vegetables, but I assume that in the top left corner you can see Yam.
It's like the mat hatter went to the wrong fantasy place.
Click to enlarge
From the backside:
"Dipo -Bebam Puberty Rites-
Dipo is celebrated in April by the people of Manya and Yilo Krobo in the towns of Krobo Odumase, omanya and Shai Hills from Accra."
The stamp is dedicated to former (2009-2012) president John Atta Mills and his family. He died in office.