Spiciness, or its perception, occurs in most cuisines worldwide. The chilli pepper of the genus Capsicum (family Solanaceae) is one of the world’s most widely used spices, found in thousands of recipes and sometimes eaten as a stand-alone dish. One in every four people on the planet currently eats chillies on a daily basis.
As a forest eco-physiologist, I study the adaptation traits developed by plant organisms to interact with other living…