Hibbertia hypericoides

Hibbertia hypericoides, commonly known as yellow buttercups, is a species of flowering plant in the family Dilleniaceae, and is endemic to the south-west of Western Australia. It is usually a spreading shrub with linear to elliptic or egg-shaped leaves, and yellow flowers, usually with ten to fifteen stamens arranged in a cluster on one side of the two densely hairy carpels.