Metaxenia is commonly observed in which fruit plant:

✅ Explanation:
Metaxenia is a phenomenon where the pollen influences the development of the fruit tissues (like the pericarp) in addition to its usual role in fertilizing the ovules to form seeds. This influence is often seen in the size, shape, or time of ripening of the fruit. Date palm is a classic example where metaxenia is commonly observed. The type of pollen used can significantly impact the fruit's characteristics.