oneapatheticwinter:

sixpenceee:

Throughout Caribbean, Central America, the northern edges of South America, and even in south Florida, there can be found a pleasant-looking beachy sort of tree, often laden with small greenish-yellow fruits that look not unlike apples.

This is the manchineel, known sometimes as the beach apple, or more accurately in Spanish-speaking countries as la manzanilla de la muerte, which translates to “the little apple of death,” or as arbol de la muerte, “tree of death.”

“Warning: all parts of manchineel are extremely poisonous. The content in this document is strictly informational. Interaction with and ingestion of any part of this tree may be lethal,” write Michael G. Andreu and Melissa H. Friedman of the University of Florida in a brief guide to the tree. 

This is not an exaggeration. The fruits, though described as sweet and tasty, are extraordinarily toxic. Fatalities are not known in modern literature, though it’s certainly possible that people have died from eating the fruit of the manchineel. “Shipwrecked sailors have been reported to have eaten manchineel fruits and, rather than dying a violent death, they had inflammations and blistering around the mouth. Other people have been diagnosed with severe stomach and intestinal issues,” says Roger Hammer, a naturalist and botanist who has written many books about the flora of Florida. (Source)

If you attempt to burn the wood, toxic fumes are released which will inflame the lungs and eyes. Sometimes people go blind from the smoke.

chemtats:

(2S)-2-propylpiperidine (Coniine)

This naturally-occurring alkaloid is a highly toxic compound most commonly known as the active ingredient in the leaves of poison hemlock. Historically known across multiple cultures for its poisonous properties, hemlock is most famously known in real life as the substance that Socrates died by, and in fiction is referenced by Shakespeare in both Hamlet and Macbeth. 
Coniine affects the peripheral nervous system, blocking the nicotinic receptors of neuromuscular junctions in a manner similar to curare, the tree-frog poison. This nerve blockage results in “ ascending flaccid paralysis” where the victim becomes unable to operate their muscles, starting from the lower limbs upwards. Death eventually results as the muscles of the diaphragm shut down, preventing breathing, but as the central nervous system is unaffected, the victim remains conscious throughout this process.

Piece requested by @immortal-biologist.