''Ongokea'' is a genus of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s, with one species ''Ongokea gore'' (Boleko). In the

APG IV system The APG IV system of flowering plant classification is the fourth version of a modern, mostly molecular-based, system of plant taxonomy for flowering plants (angiosperms) being developed by the Angiosperm Phylogeny Group (APG). It was publishe ...

, the genus is placed in the family

Olacaceae Olacaceae is a family of flowering plants in the order Santalales. They are woody plants, native throughout the tropical regions of the world. , the circumscription of the family varies; some sources maintain a broad family, others split it into ...

. Other sources place it in the segregate family

Aptandraceae The Aptandraceae is a family of flowering plants in the sandalwood order Santalales that is recognized by some sources; others sink the family in Olacaceae. The members of the tropical plant family are parasitic on other plants, usually on the ro ...

. Its native range is Western Tropical Africa to Angola, and is notable for the seeds of its edible fruits containing an industrially-useful oil that can undergo explosive polymerization reactions at elevated temperatures. This oil is curious for being rich in diacetylenic and hydroxy-diacetylenic fatty acids, primarily isanic and bolekic acid - that is, instead of a typical single-bonded fatty acid backbone, these acids contain multiple (thermally unstable) triple bonds.

References

Olacaceae Monotypic Santalales genera {{Santalales-stub