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Do you see that grove of trees there at the base of the mountains I answered that I thought I could distinguish weirdly contorted branches and strangely shivering foliage That is the deadly upas-tree," he explained, "and it is as much as a man's life is worth to lie down in the shade of its twisted limbs.— Tales of Fantasy and Fact
A fainéant in the English Ministry to-day is something worse than even a cumberer of the ground; he is, I dare to say, like a upas upon it, blighting where he throws his shadow, so conspicuous and so deadly must be the example of such a life in the Minister of such a Gospel.— To My Younger Brethren Chapters on Pastoral Life and Work
Since the above was written I have seen the Dissertation sur les Effets d'un Poison de Java, appele Upas tieute, etc.; presentee a la Faculte de Medicine de Paris le 6 Juillet 1809, par M. Alire Raffeneau-Delile, in which he details a set of curious and interesting experiments on this very active poison, made with specimens brought from Java by M. Leschenault; and also a second dissertation, in manuscript (presented to the Royal Society), upon the effects of similar experiments made with what he terms the upas antiar.— The History of Sumatra Containing An Account Of The Government, Laws, Customs And Manners Of The Native Inhabitants
The former he states to be a decoction or extract from the bark of the roots of a climbing plant of the genus strychnos, called tieute by the natives of Java; and the latter to be a milky, bitter, and yellowish juice, running from an incision in the bark of a large tree (new genus) called antiar; the word upas meaning, as M. Leschenault understands, vegetable poison of any kind.— The History of Sumatra Containing An Account Of The Government, Laws, Customs And Manners Of The Native Inhabitants

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