FusionDex

Due to the high amounts of sulfur in Onplume's bodies, their petals take on a yellow hue. Their pungent smell follows them wherever they go, warding off both predators and Trainers looking to catch them.

In seasons when it produces more pollen, the air around a Onplume turns yellow with the powder as it walks. There is a magnet in its brain that prevents an Onplume from losing direction while tunneling.