Native to Southeast Asia. It belongs to the Rutaceae family and to the genus Citrus.
It is a vigorous tree with very short and strong thorns, its leaves are alternate, simple, coriaceous, with elliptical limb of more or less closed margin, the flowers are solitary or in small bunches and the fruit is a hesperidium.
It is mainly used in fresh market consumption, but lately, its industrial use has increased.
The most productive countries are Mexico, Argentina, India, Iran and Spain (the main exporter of lemons to Europe).
