Hibbertia

About

Hibbertia, commonly known as guinea flowers, is a genus of flowering plants in the family Dilleniaceae. They are usually shrubs with simple leaves and flowers with five sepals and five petals that are usually yellow, but also sometimes orange, red, pink and white. There are about 400 species, most of which occur in Australia but a few species occur in New Guinea, New Caledonia, Fiji and Madagascar.

Summary from Wikipedia