方枝树科只有1属约10种，分布在非洲西部和南部。

本科植物为小乔木或灌木；茎方形，分枝繁多；单叶对生；花的花瓣4-5；果实为核果。

• 在L. Watson和M.J. Dallwitz (1992年)《有花植物分科》中的方枝树科
• APG网站中的方枝树科
• NCBI中的方枝树科

Olinia is a genus of small trees and shrubs with 10 species in the family Penaeaceae. The species of Olinia are native to Africa, ranging from west Africa to South Africa. It was previously regarded as the sole genus in the family Oliniaceae, but is now included in the expanded Penaeaceae along with Rhynchocalyx (formerly of the Rhynchocalycaceae) under the APG III system of classification.