Toxicological trivia from January 08, 2013: Passiflora caerulea is a species of flowering plant native to South America (Argentina, Paraguay, Uruguay and Brazil).  It is popular among gardeners because of its intricate, scented flores.. A tea can be made of the flower which is said to alleviate stress and anxiety. However, tetraphyllin B and epi-tetraphyllin B, cyanogenic glycosides (which liberate hydrogen cyanide when activated by enzymes), have been found in the leaves. It is commonly known as:a) Mburucuyá;b) Blue Passion flower;c) Both prior names are correct.

Correct answer is c. check in Spanish article: Pasionaria azul (Passiflora caerulea)