Description Aniseed Boronia is an open-branched shrub growing to 1.2 m tall. It often has a trailing habit. The leaves are about 2 cm long, egg shaped with narrow end attached to stem, or oblong shape. Pink or reddish-purple flowers are produced singly or in small groups from the leaf axils in spring and summer. The flower is about 1 cm in diameter with four sepals, four petals, and eight stamens.