Lemon Tea Essential Oil. (10ml) Latin Name : Leptospermum Petersonii. Part Of Plant Used : Leaves Source : Australia. Extraction Method : Steam Distillation.Lemon Tea Tree oil boasts a robust lemony aroma with hints of rosy hues. This essence may be used as a reviving cleaner, to freshen and purify the air, in insect care, and as a vitalizing zesty oil to invigorate body and mind into action.