Edible Portion: Leaves, Herb, Flowers
A shrub to 1.5-3 m high. It spreads to 3 m across. It keeps growing from year to year. It loses its leaves during the year. The leaves are slender and green. They are 10 cm long. They smell strongly of lemon. Under the leaves there are oil glands which give a sticky, almost rough feel. The flowers are purple and white. They form in feather like groups are the ends of branches.