Possible Clues:

• Boy devouring a slice of bread under a tree
• Tropical tree also known as the monkey-bread tree
• African or Australian tree with very thick trunk
• Growth seen in Africa of black blood groups
• Various blood groups make up this extensive tree
• The monkey bread tree
• Tree whose trunk may reach 30 feet in diameter
• Oh, be in a degree both ways for a tree!
• Oh, be, by the sounds of it, involved with the black sheep of the forest
• African fruit tree