Bursaria Cav.

Flowers in terminal lateral panicles; petals spreading from base of flower. Ovary prominently stipitate. Capsule strongly flattened Bursaria
Leaves variable in size and shape. Flowers in terminal pyramidal panicles, often numerous. Sepals less than 2 mm long. Petals narrow, to 6 mm long, creamy white. Leaves obovate oblong or cuneate, 10–35 mm long, truncate or emarginate, narrowed at the base. Capsule 4–6 mm long. Widespread. Shrub to small tree. Tall forests particularly on shales; weed of cultivated land. Fl. spring–summer. Blackthorn
Leaves consistent in size and shape. Sepals prominent. Petals 6–8 mm long.