Possible Clues:

• Fruit with strong taste, used as topping for peeled melon
• Fruit offering flavour and energy, look!
• Having to put round Guardian flyer makes us cross
• Awkward angle to cross
• To financial backer brought in, a fruitful merger?
• Hybrid fruit; eat long (anag.)
• At end of act, duke's deputy is cross
• Kind of fruit
• Tax Officer admits heavenly creature's a hybrid
• Seaweed the Spanish love with fruit