Definition
A 'pappus' is the modified calyx (outer whorl of sepals) surrounding the fruit of certain plants, especially those in the Asteraceae family, like dandelions. 🌼 Think of it as a tiny parachute attached to a seed. This parachute helps the seed to be dispersed by wind. It's nature's way of spreading seeds far and wide. Without the pappus, these seeds would just fall to the ground. It’s a lightweight, often feathery or bristle-like structure. It allows for efficient wind dispersal.