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- Des, The Grommet
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Jatropha, curcus, is a member of the Euphorbiaceae family, a large group of shrubs and trees native to the Caribbean, Mexico and Central America.  It is variously known as “physic nut,” and “pinoncillo.”  Most varieties of these small trees have highly toxic elements but the variety native to Veracruz, Mexico, is apparently less toxic than most.  It is a very hardy plant, drought tolerant, and capable of growing in poor soil.  It produces fruits within two years of planting.  The fruits contain seeds with a high oil content.  The Mexican variety of Jatropha produces seeds that can be roasted and eaten.  However, the seeds are more valuable for use in bio-diesel.  The press cake left over from pressing the oil is useful as animal feedstock or fertilizer. 

Jatropha trees were taken by the Portuguese to Africa and Asia originally for use as hedges.  Jatropha is now intercropped with other plants, such as vanilla, a trailing vine, which uses the trees as a support.  Jatropha’s use as a producer for bio-diesel has grown rapidly in the last five years, with India, Southern Mexico, Central America and the Dominican Republic leading in production.  Expect to hear more about this interesting tree in the near future.

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Patricia Rain

is an author, educator, culinary historian, and owner of The Vanilla Company (www.vanillaqueen.com), a socially conscious, product-driven information and education site dedicated to the promotion of pure, natural vanilla, and the support of vanilla farmers worldwide. She also does culinary presentations for food professionals, cooking schools, trade shows, food fairs, and private groups, and is a regular radio and TV guest.
Patricia Rain
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