Limes are sour, round, and bright green citrus. Squeezed to your juices or to your cooking food at home. There are many species of limes, including the Key lime (Citrus aurantifolia), Persian lime (Citrus latifolia), desert lime (Citrus glauca), and makrut lime (Citrus hystrix). One lime tree can produce over 1000 fruits annually. Lime constantly mutates with other species. Native to India.