The citrus Macrophylla belongs to the Papeda family. It is not a common tree, and is likely a hybrid between a citron and a Philippine citrus called Biasong.
USES AND FUN FACTS
Its fruits are not edible, but some populations do cultivate this tree for medical purposes or to use it as a rootstock for other citruses.
WEATHER RESISTANCE
This tree is small-sized and very spiny; it usually grows in tropical areas.