Bursaria spinosa is a small tree or shrub in the family Pittosporaceae. The species occurs in mainly in the eastern and southern half of Australia and not in Western Australia and the Northern Territory. Reaching 10 m (35 ft) high, it bears fragrant white flowers at any time of year but particularly summer. A common understory shrub of eucalyptus woodland, it aggressively colonises disturbed areas and fallow farmland. It is an important food plant for several species of... (Wikipedia)