Ongokea
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Santalales
Family: Olacaceae
Genus: Ongokea
Pierre[1]
Species:
O. gore
Binomial name
Ongokea gore
(Hua) Pierre[1]

Ongokea is a genus of flowering plants, with one species Ongokea gore (Boleko).[1] In the APG IV system, the genus is placed in the family Olacaceae.[2][1] Other sources place it in the segregate family Aptandraceae.[3]

Its native range is Western Tropical Africa to Angola,[1] and is notable for the seeds of its edible fruits containing an industrially-useful oil that can undergo explosive polymerization reactions at elevated temperatures.[4] 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.[5]

References

  1. 1 2 3 4 5 "Ongokea Pierre | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 19 May 2021.
  2. ↑ Angiosperm Phylogeny Group (2016). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV". Botanical Journal of the Linnean Society. 181 (1): 1–20. doi:10.1111/boj.12385.
  3. ↑ Stevens, P.F. "Aptandraceae". Angiosperm Phylogeny Website. Retrieved 2021-07-18.
  4. ↑ Vegetable Oils: Tropical Resources of Africa 14. 2007. p. 127. ISBN 9789057821912.
  5. ↑ "Fatty Acids: Acetylenic and Allenic - crepenynic - plants, animals, mosses - composition and biochemistry".


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