Ongokea

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]

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]

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. "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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