Jatropha
The importation of foreign species into a new eco-environment is always fraught with dangers. Remember what the introduction of the species Neem, also imported from India, did to the DR climate?, increasing aridity in many areas where it was used intensively in reforestation projects after the devastatation caused by hurricane David and Tropical storm Frederick in 1979.
A quick googling on the above ref species produced warnings like the following...
"...Due to several different toxic principles including a lectin (curcin), phorbol esters, saponins, protease inhibitors and phytates, neither the seeds nor the press cake nor the oil of Jatropha curcas can be used for human or animal nutrition; even if the plant is not intended for human consumption, its toxicity might represent a problem, especially if grown in areas close to food crops plantations... (24).
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(24) Trabi, G.M. Gübitz, W. Steiner, N. Foidl: Toxicity of Jatropha curcas seeds. Developed from the Symposium "Jatropha 97" Managua, Nicaragua February 23 – 27, 1997."
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