The Himalayan Balsam seed pod is super sensitive to pressure. It disperses seeds up to 7 meters.
Beautiful but deadly, the delicate plant is strangling native plants in the Northern Hemisphere, especially the United States. Not only are the seed pods gnarly, they flowers attract bees and other pollinators with high volumes of nectar. It’s a double whammy of evolution.
Update. This is supposed to be a gif. View it here.