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Pimenta dioica (L.) Merr. - syn.Pimenta officinalis Lindl.; Pimenta vulgaris Lindl.; Pimenta pimenta (L.) H. Karst.; Myrtus pimenta L. - Myrtaceae
allspice, Jamaica pepper, pimento, clove pepper, Piment, Nelkenpfeffer
Evergreen tree, 6-15m high; native to Central America, Cuba and Jamaica; bark grey.
Main component of the essenital oil of P.dioica fruits is eugenol (86.4%), accompanied by methyl eugenol (3.8%), β-caryophyllene (7.7%), α-humulene (1%) and some limonene and 1,8-cineole.
[Nematicidal activity of plant essential oils and components from ajowan (Trachyspermum ammi), allspice (Pimenta dioica) and litsea (Litsea cubeba) essential oils against pine wood nematode (Bursaphelenchus xylophilus). Park, I. K., Kim, J., Lee, S. G., Shin, S. C., Journal of nematology, 39(3), 2007, 275] http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2586506/
