Chili peppers, also spelled chile or chilli (from Classical Nahuatl chīlli [ˈt͡ʃiːlːi] ), are varieties of the berry-fruit of plants from the genus Capsicum, which are members of the nightshade family Solanaceae, cultivated for their pungency. Chili peppers are widely used in many cuisines as a spice to add "heat" to dishes. Capsaicin and...