The leaves and unripened berries of the plant are
toxic, and are confirmed to have killed dogs and cats. However,
songbirds eat the fruit without ill effects. Documented cases of toxicity in humans are sparse, with many secondary sources stating that children have died from consumption of the plant. This is likely attributable to an 1895 case of presumed poisoning by
Duranta erecta (formerly
Duranta plumieri) in a four year-old boy in Australia. From the original text:"[A]bout 3:30 p.m. he said he felt very tired and sleepy. [...] His face was very flushed and the pupils dilated, while his lips and eyelids appeared swollen. [...] At 7 p.m. the boy had passed a large motion [sic] into the bed. This was sticky, ashy-grey in colour. [...] The tongue was coated with a dirty-grey fur, and the breath had the same offensive smell as the motions. The lips were slightly swollen and cracked, but not discoloured, and the tonsils and back of the pharynx were very red, but not swollen. [T]he conjunctivae were injected. [...] The pupils were dilated, very little iris being visible, and they were insensitive to light. [...] The temperature was 105.4 °F. [The] pulse was 200. About 5 a.m. he began to convulse, the spasms being tonic in character, with slight opisthotonos and marked retraction of the head. During the spasms the eyes were widely opened and the pupils less dilated, while the [facial muscles] did not participate in the general spasm, and the jaws were not tightly clenched. At 7 a.m. the temperature had fallen to 101 °F and the pulse to 160. [He vomited] inky-looking liquid material, the fluid part of which was colourless, and the solid portion like coffee grounds. The convulsive attacks now became more frequent and prolonged, [and] he died at 10:45 a.m. [A] small portion of [feces] passed about a quarter of an hour before death was scraped from the bed clothes and washed, when a number of partly digested berries of the
Duranta plumieri was found in it. [...] I am not aware that the toxicology of
Duranta has ever been investigated, but the symptoms described above, taken with the presence of berries in the motions, appear to bear the relation of effect and cause. If this is so, it would appear to be a poison of a cerebrospinal type [...]. It is of course dangerous to theorize too much on such a slender basis as a single case, and that but incompletely observed, but I think that the combination of circumstances described in the above report is a very strong piece of
prima facie evidence for the conclusions arrived at." In the fruit, the
alkaloid isoquinoline in addition to the
monoterpenes durantoside I, durantoside, and repenoside have been identified. The leaves and fruits of
D. repens contain a
saponin glycoside and the presence of
hydrocyanic acid. The durantoside has been detected in leaves and stems with leaves. The isoquinoline is lethal to insects. ==Gallery==