(Prostanthera rhombea)
Prostanthera rhombea, commonly known as sparkling mintbush, is a shrub that is native to south-eastern Australia. It has an open habit, growing to between 0.5 and 2 metres high. The aromatic leaves are 2 to 6 mm long and 2 to 5.5 mm wide.The flowers are mauve or bluish and appear in spring