Lesquerolic acid is a hydroxycarboxylic acid that occurs naturally in Paysonia lasiocarpa and other Paysonia and Physaria species.

[2] This compound has the R configuration at the alcohol-bearing stereocenter, and it is of the Z configuration at the olefin.

Lesquerolic acid is chemically similar to ricinoleic acid, but with two additional carbons at the carboxyl end of the carbon chain.

[3] Lesquerolic acid, with other hydroxy fatty acids, has important industrial uses, including making resins, waxes, nylons and plastics.

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