Possible Clues:

• Took one's seat with half a Sumatran fruit
• Segmented item posed problem over the area
• Posed problem, beginning to ask for fruit
• Fruit that's a must, as displayed
• South Africa must produce a fruit
• Easy-peeling tangerine
• Mandarin tree
• An obligation when returning for fruit
• As a must (anag)
• Variety of tangerine