Olacaceae - Genera

Genera

Olacaceae sensu stricto

• Dulacia - 13 species of South America
• Olax - ca 40 species of the Old World tropics
• Ptychopetalum - 2 species of tropical South America and 2 species of western and central Africa

Aptandraceae

• Anacolosa - 16 species of the Old World tropics
• Aptandra - 3 species in tropical America and 1 species in Africa
• Cathedra - 5 species of South America
• Chaunochiton - 3 species of tropical America
• Harmandia - one species in southeastern Asia
• Hondurodendron - one species in Honduras
• Ongokea - one species in Africa
• Phanerodiscus - 3 species of Madagascar

Ximeniaceae

• Curupira - one species in Amazonian Brazil
• Douradoa - one species in Brazil
• Malania - one species in China
• Ximenia - 10 species of the Old and New World tropics

Coulaceae

• Coula - one species in tropical western Africa
• Minquartia - one species in tropical America
• Ochanostachys - one species in western Malaysia

Strombosiaceae

• Diogoa - 2 species of tropical Africa
• Engomegoma - one species of tropical Africa
• Scorodocarpus - one species in Malaysia
• Strombosia - 3 species of tropical Asia and 6 species of tropical Africa
• Strombosiopsis - 3 species of tropical Africa
• Tetrastylidium - 2 species of South America

Erythropalaceae

• Erythropalum - one species of Indomalaysia
• Heisteria - ca 33 species of tropical America and 3 species in Africa
• Maburea - one species in Guyana

Octoknemataceae

• Octoknema - 14 species of tropical Africa

Excluded or unplaced genera

• Brachynema - morphological cladistic analysis places this genus in Ericales, and no genetic study has yet been published
• Schoepfia - excluded and combined with Arjona and Quinchamalium (previously Santalaceae) as the family Schoepfiaceae