Boronia megastigma, or Brown Boronia, is a small shrub native to southwestern Western Australia occurring from Perth to Albany.Boronia megastigma grows to less than a metre. It has small leaves and small cup-shaped flowers, which occur in spring. The plant is quite striking in that the flowers are bright yellow inside whilst the exterior is an interesting red-brown colour. The flowers have a wonderful fragrance and are used in the production of essential oils.