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The bay oil of commerce is obtained from the leaves of Pimenta racemosa (Miller) J. Moore var. racemosa. However, there are other varieties of P. racemosa that possess oils that are dissimilar to the bay oil of commerce. For the sake of thoroughness, these varieties are included in this review.
Tucker et al. (1991) examined the leaf oils of P. racemosa var. grisea (Kiaerskov) Fosb., P. racemosa var. hispaniolensis (Urban) Landrum and P. racemosa var. ozua (Urban et E. Ekman) Landrum, and compared them with a commercial bay oil produced from P. racemosa var. racemosa.